752.5% is the change from 40 to 341
Calculation steps:
[( 341 - 40 ) ÷ 40] x 100 = 752.5%
Formula
Percentage change = [(341 - 40) / 40] x 100
Subtract the new number by the original number
341 - 40 = 301
301 ÷ 40 = 7.525
7.525 x 100 = 752.5%
Example