674.19% is the change from 31 to 240
Calculation steps:
[( 240 - 31 ) ÷ 31] x 100 = 674.19%
Formula
Percentage change = [(240 - 31) / 31] x 100
Subtract the new number by the original number
240 - 31 = 209
209 ÷ 31 = 6.741935483870968
6.741935483870968 x 100 = 674.19%