17.5% is the change from 777 to 913
Calculation steps:
[( 913 - 777 ) ÷ 777] x 100 = 17.5%
Formula
Percentage change = [(913 - 777) / 777] x 100
Subtract the new number by the original number
913 - 777 = 136
136 ÷ 777 = 0.17503217503217502
0.17503217503217502 x 100 = 17.5%