341.94% is the change from 31 to 137
Calculation steps:
[( 137 - 31 ) ÷ 31] x 100 = 341.94%
Formula
Percentage change = [(137 - 31) / 31] x 100
Subtract the new number by the original number
137 - 31 = 106
106 ÷ 31 = 3.4193548387096775
3.4193548387096775 x 100 = 341.94%