435.03% is the change from 157 to 840
Calculation steps:
[( 840 - 157 ) ÷ 157] x 100 = 435.03%
Formula
Percentage change = [(840 - 157) / 157] x 100
Subtract the new number by the original number
840 - 157 = 683
683 ÷ 157 = 4.350318471337579
4.350318471337579 x 100 = 435.03%