30.99% is the change from 71 to 93
Calculation steps:
[( 93 - 71 ) ÷ 71] x 100 = 30.99%
Formula
Percentage change = [(93 - 71) / 71] x 100
Subtract the new number by the original number
93 - 71 = 22
22 ÷ 71 = 0.30985915492957744
0.30985915492957744 x 100 = 30.99%