19.85% is the change from 821 to 984
Calculation steps:
[( 984 - 821 ) ÷ 821] x 100 = 19.85%
Formula
Percentage change = [(984 - 821) / 821] x 100
Subtract the new number by the original number
984 - 821 = 163
163 ÷ 821 = 0.19853836784409257
0.19853836784409257 x 100 = 19.85%