def percent_to_text(x: int) -> str:
    if x == 0:
        return 0

    if x > 95:
        return f"+ 95-99%"

    if x <= -75:
        return f"- 75%"

    sign = f"+" if x > 0 else f"-"
    start = (abs(x) - 1) // 5 * 5
    end = start + 5

    return f"{sign} {start}-{end}%"

# tests
for i in range(0, -101, -1):
    print(i, percent_to_text(i))

for i in range(0, 101):
    print(i, percent_to_text(i))