15.38% is the change from 91 to 105
Calculation steps:
[( 105 - 91 ) ÷ 91] x 100 = 15.38%
Formula
Percentage change = [(105 - 91) / 91] x 100
Subtract the new number by the original number
105 - 91 = 14
14 ÷ 91 = 0.15384615384615385
0.15384615384615385 x 100 = 15.38%