682.5% is the change from 40 to 313
Calculation steps:
[( 313 - 40 ) ÷ 40] x 100 = 682.5%
Formula
Percentage change = [(313 - 40) / 40] x 100
Subtract the new number by the original number
313 - 40 = 273
273 ÷ 40 = 6.825
6.825 x 100 = 682.5%
Example