66.38% is the change from 577 to 960
Calculation steps:
[( 960 - 577 ) ÷ 577] x 100 = 66.38%
Formula
Percentage change = [(960 - 577) / 577] x 100
Subtract the new number by the original number
960 - 577 = 383
383 ÷ 577 = 0.6637781629116117
0.6637781629116117 x 100 = 66.38%