22.71% is the change from 665 to 816
Calculation steps:
[( 816 - 665 ) ÷ 665] x 100 = 22.71%
Formula
Percentage change = [(816 - 665) / 665] x 100
Subtract the new number by the original number
816 - 665 = 151
151 ÷ 665 = 0.22706766917293233
0.22706766917293233 x 100 = 22.71%