887.5% is the change from 40 to 395
Calculation steps:
[( 395 - 40 ) ÷ 40] x 100 = 887.5%
Formula
Percentage change = [(395 - 40) / 40] x 100
Subtract the new number by the original number
395 - 40 = 355
355 ÷ 40 = 8.875
8.875 x 100 = 887.5%
Example