109.56% is the change from 408 to 855
Calculation steps:
[( 855 - 408 ) ÷ 408] x 100 = 109.56%
Formula
Percentage change = [(855 - 408) / 408] x 100
Subtract the new number by the original number
855 - 408 = 447
447 ÷ 408 = 1.0955882352941178
1.0955882352941178 x 100 = 109.56%