72.1% is the change from 577 to 993
Calculation steps:
[( 993 - 577 ) ÷ 577] x 100 = 72.1%
Formula
Percentage change = [(993 - 577) / 577] x 100
Subtract the new number by the original number
993 - 577 = 416
416 ÷ 577 = 0.7209705372616985
0.7209705372616985 x 100 = 72.1%
Example