15.29% is the change from 85 to 98
Calculation steps:
[( 98 - 85 ) ÷ 85] x 100 = 15.29%
Formula
Percentage change = [(98 - 85) / 85] x 100
Subtract the new number by the original number
98 - 85 = 13
13 ÷ 85 = 0.15294117647058825
0.15294117647058825 x 100 = 15.29%