20.1% is the change from 821 to 986
Calculation steps:
[( 986 - 821 ) ÷ 821] x 100 = 20.1%
Formula
Percentage change = [(986 - 821) / 821] x 100
Subtract the new number by the original number
986 - 821 = 165
165 ÷ 821 = 0.20097442143727162
0.20097442143727162 x 100 = 20.1%