74.32% is the change from 331 to 577
Calculation steps:
[( 577 - 331 ) ÷ 331] x 100 = 74.32%
Formula
Percentage change = [(577 - 331) / 331] x 100
Subtract the new number by the original number
577 - 331 = 246
246 ÷ 331 = 0.743202416918429
0.743202416918429 x 100 = 74.32%