68.28% is the change from 577 to 971
Calculation steps:
[( 971 - 577 ) ÷ 577] x 100 = 68.28%
Formula
Percentage change = [(971 - 577) / 577] x 100
Subtract the new number by the original number
971 - 577 = 394
394 ÷ 577 = 0.682842287694974
0.682842287694974 x 100 = 68.28%