22.27% is the change from 687 to 840
Calculation steps:
[( 840 - 687 ) ÷ 687] x 100 = 22.27%
Formula
Percentage change = [(840 - 687) / 687] x 100
Subtract the new number by the original number
840 - 687 = 153
153 ÷ 687 = 0.22270742358078602
0.22270742358078602 x 100 = 22.27%