33.97% is the change from 577 to 773
Calculation steps:
[( 773 - 577 ) ÷ 577] x 100 = 33.97%
Formula
Percentage change = [(773 - 577) / 577] x 100
Subtract the new number by the original number
773 - 577 = 196
196 ÷ 577 = 0.3396880415944541
0.3396880415944541 x 100 = 33.97%