65.86% is the change from 577 to 957
Calculation steps:
[( 957 - 577 ) ÷ 577] x 100 = 65.86%
Formula
Percentage change = [(957 - 577) / 577] x 100
Subtract the new number by the original number
957 - 577 = 380
380 ÷ 577 = 0.658578856152513
0.658578856152513 x 100 = 65.86%