-9.01% is the change from 577 to 525
Calculation steps:
[( 525 - 577 ) ÷ 577] x 100 = -9.01%
Formula
Percentage change = [(525 - 577) / 577] x 100
Subtract the new number by the original number
525 - 577 = -52
-52 ÷ 577 = -0.09012131715771231
-0.09012131715771231 x 100 = -9.01%