24.23% is the change from 685 to 851
Calculation steps:
[( 851 - 685 ) ÷ 685] x 100 = 24.23%
Formula
Percentage change = [(851 - 685) / 685] x 100
Subtract the new number by the original number
851 - 685 = 166
166 ÷ 685 = 0.24233576642335766
0.24233576642335766 x 100 = 24.23%