23.36% is the change from 685 to 845
Calculation steps:
[( 845 - 685 ) ÷ 685] x 100 = 23.36%
Formula
Percentage change = [(845 - 685) / 685] x 100
Subtract the new number by the original number
845 - 685 = 160
160 ÷ 685 = 0.23357664233576642
0.23357664233576642 x 100 = 23.36%