29.58% is the change from 71 to 92
Calculation steps:
[( 92 - 71 ) ÷ 71] x 100 = 29.58%
Formula
Percentage change = [(92 - 71) / 71] x 100
Subtract the new number by the original number
92 - 71 = 21
21 ÷ 71 = 0.29577464788732394
0.29577464788732394 x 100 = 29.58%