742.5% is the change from 40 to 337
Calculation steps:
[( 337 - 40 ) ÷ 40] x 100 = 742.5%
Formula
Percentage change = [(337 - 40) / 40] x 100
Subtract the new number by the original number
337 - 40 = 297
297 ÷ 40 = 7.425
7.425 x 100 = 742.5%
Example