61.18% is the change from 85 to 137
Calculation steps:
[( 137 - 85 ) ÷ 85] x 100 = 61.18%
Formula
Percentage change = [(137 - 85) / 85] x 100
Subtract the new number by the original number
137 - 85 = 52
52 ÷ 85 = 0.611764705882353
0.611764705882353 x 100 = 61.18%