-90.12% is the change from 577 to 57
Calculation steps:
[( 57 - 577 ) ÷ 577] x 100 = -90.12%
Formula
Percentage change = [(57 - 577) / 577] x 100
Subtract the new number by the original number
57 - 577 = -520
-520 ÷ 577 = -0.901213171577123
-0.901213171577123 x 100 = -90.12%