587.5% is the change from 40 to 275
Calculation steps:
[( 275 - 40 ) ÷ 40] x 100 = 587.5%
Formula
Percentage change = [(275 - 40) / 40] x 100
Subtract the new number by the original number
275 - 40 = 235
235 ÷ 40 = 5.875
5.875 x 100 = 587.5%
Example