20.15% is the change from 819 to 984
Calculation steps:
[( 984 - 819 ) ÷ 819] x 100 = 20.15%
Formula
Percentage change = [(984 - 819) / 819] x 100
Subtract the new number by the original number
984 - 819 = 165
165 ÷ 819 = 0.20146520146520147
0.20146520146520147 x 100 = 20.15%