506.45% is the change from 31 to 188
Calculation steps:
[( 188 - 31 ) ÷ 31] x 100 = 506.45%
Formula
Percentage change = [(188 - 31) / 31] x 100
Subtract the new number by the original number
188 - 31 = 157
157 ÷ 31 = 5.064516129032258
5.064516129032258 x 100 = 506.45%