855% is the change from 40 to 382
Calculation steps:
[( 382 - 40 ) ÷ 40] x 100 = 855%
Formula
Percentage change = [(382 - 40) / 40] x 100
Subtract the new number by the original number
382 - 40 = 342
342 ÷ 40 = 8.55
8.55 x 100 = 855%
Example