22.78% is the change from 79 to 97
Calculation steps:
[( 97 - 79 ) ÷ 79] x 100 = 22.78%
Formula
Percentage change = [(97 - 79) / 79] x 100
Subtract the new number by the original number
97 - 79 = 18
18 ÷ 79 = 0.22784810126582278
0.22784810126582278 x 100 = 22.78%