-8.67% is the change from 577 to 527
Calculation steps:
[( 527 - 577 ) ÷ 577] x 100 = -8.67%
Formula
Percentage change = [(527 - 577) / 577] x 100
Subtract the new number by the original number
527 - 577 = -50
-50 ÷ 577 = -0.08665511265164645
-0.08665511265164645 x 100 = -8.67%