38.13% is the change from 577 to 797
Calculation steps:
[( 797 - 577 ) ÷ 577] x 100 = 38.13%
Formula
Percentage change = [(797 - 577) / 577] x 100
Subtract the new number by the original number
797 - 577 = 220
220 ÷ 577 = 0.38128249566724437
0.38128249566724437 x 100 = 38.13%