1373.68% is the change from 57 to 840
Calculation steps:
[( 840 - 57 ) ÷ 57] x 100 = 1373.68%
Formula
Percentage change = [(840 - 57) / 57] x 100
Subtract the new number by the original number
840 - 57 = 783
783 ÷ 57 = 13.736842105263158
13.736842105263158 x 100 = 1373.68%