19.66% is the change from 819 to 980
Calculation steps:
[( 980 - 819 ) ÷ 819] x 100 = 19.66%
Formula
Percentage change = [(980 - 819) / 819] x 100
Subtract the new number by the original number
980 - 819 = 161
161 ÷ 819 = 0.19658119658119658
0.19658119658119658 x 100 = 19.66%