23.21% is the change from 685 to 844
Calculation steps:
[( 844 - 685 ) ÷ 685] x 100 = 23.21%
Formula
Percentage change = [(844 - 685) / 685] x 100
Subtract the new number by the original number
844 - 685 = 159
159 ÷ 685 = 0.2321167883211679
0.2321167883211679 x 100 = 23.21%