656.76% is the change from 111 to 840
Calculation steps:
[( 840 - 111 ) ÷ 111] x 100 = 656.76%
Formula
Percentage change = [(840 - 111) / 111] x 100
Subtract the new number by the original number
840 - 111 = 729
729 ÷ 111 = 6.5675675675675675
6.5675675675675675 x 100 = 656.76%