23.07% is the change from 685 to 843
Calculation steps:
[( 843 - 685 ) ÷ 685] x 100 = 23.07%
Formula
Percentage change = [(843 - 685) / 685] x 100
Subtract the new number by the original number
843 - 685 = 158
158 ÷ 685 = 0.23065693430656933
0.23065693430656933 x 100 = 23.07%