20.34% is the change from 698 to 840
Calculation steps:
[( 840 - 698 ) ÷ 698] x 100 = 20.34%
Formula
Percentage change = [(840 - 698) / 698] x 100
Subtract the new number by the original number
840 - 698 = 142
142 ÷ 698 = 0.2034383954154728
0.2034383954154728 x 100 = 20.34%