66.9% is the change from 577 to 963
Calculation steps:
[( 963 - 577 ) ÷ 577] x 100 = 66.9%
Formula
Percentage change = [(963 - 577) / 577] x 100
Subtract the new number by the original number
963 - 577 = 386
386 ÷ 577 = 0.6689774696707106
0.6689774696707106 x 100 = 66.9%