21.98% is the change from 91 to 111
Calculation steps:
[( 111 - 91 ) ÷ 91] x 100 = 21.98%
Formula
Percentage change = [(111 - 91) / 91] x 100
Subtract the new number by the original number
111 - 91 = 20
20 ÷ 91 = 0.21978021978021978
0.21978021978021978 x 100 = 21.98%