54.12% is the change from 85 to 131
Calculation steps:
[( 131 - 85 ) ÷ 85] x 100 = 54.12%
Formula
Percentage change = [(131 - 85) / 85] x 100
Subtract the new number by the original number
131 - 85 = 46
46 ÷ 85 = 0.5411764705882353
0.5411764705882353 x 100 = 54.12%