20.29% is the change from 685 to 824
Calculation steps:
[( 824 - 685 ) ÷ 685] x 100 = 20.29%
Formula
Percentage change = [(824 - 685) / 685] x 100
Subtract the new number by the original number
824 - 685 = 139
139 ÷ 685 = 0.2029197080291971
0.2029197080291971 x 100 = 20.29%