7.06% is the change from 85 to 91
Calculation steps:
[( 91 - 85 ) ÷ 85] x 100 = 7.06%
Formula
Percentage change = [(91 - 85) / 85] x 100
Subtract the new number by the original number
91 - 85 = 6
6 ÷ 85 = 0.07058823529411765
0.07058823529411765 x 100 = 7.06%