609.68% is the change from 31 to 220
Calculation steps:
[( 220 - 31 ) ÷ 31] x 100 = 609.68%
Formula
Percentage change = [(220 - 31) / 31] x 100
Subtract the new number by the original number
220 - 31 = 189
189 ÷ 31 = 6.096774193548387
6.096774193548387 x 100 = 609.68%