22.71% is the change from 687 to 843
Calculation steps:
[( 843 - 687 ) ÷ 687] x 100 = 22.71%
Formula
Percentage change = [(843 - 687) / 687] x 100
Subtract the new number by the original number
843 - 687 = 156
156 ÷ 687 = 0.22707423580786026
0.22707423580786026 x 100 = 22.71%