5.15% is the change from 777 to 817
Calculation steps:
[( 817 - 777 ) ÷ 777] x 100 = 5.15%
Formula
Percentage change = [(817 - 777) / 777] x 100
Subtract the new number by the original number
817 - 777 = 40
40 ÷ 777 = 0.05148005148005148
0.05148005148005148 x 100 = 5.15%