167.74% is the change from 31 to 83
Calculation steps:
[( 83 - 31 ) ÷ 31] x 100 = 167.74%
Formula
Percentage change = [(83 - 31) / 31] x 100
Subtract the new number by the original number
83 - 31 = 52
52 ÷ 31 = 1.6774193548387097
1.6774193548387097 x 100 = 167.74%