862.5% is the change from 40 to 385
Calculation steps:
[( 385 - 40 ) ÷ 40] x 100 = 862.5%
Formula
Percentage change = [(385 - 40) / 40] x 100
Subtract the new number by the original number
385 - 40 = 345
345 ÷ 40 = 8.625
8.625 x 100 = 862.5%
Example