-9.53% is the change from 577 to 522
Calculation steps:
[( 522 - 577 ) ÷ 577] x 100 = -9.53%
Formula
Percentage change = [(522 - 577) / 577] x 100
Subtract the new number by the original number
522 - 577 = -55
-55 ÷ 577 = -0.09532062391681109
-0.09532062391681109 x 100 = -9.53%