20.56% is the change from 817 to 985
Calculation steps:
[( 985 - 817 ) ÷ 817] x 100 = 20.56%
Formula
Percentage change = [(985 - 817) / 817] x 100
Subtract the new number by the original number
985 - 817 = 168
168 ÷ 817 = 0.20563035495716034
0.20563035495716034 x 100 = 20.56%