17.3% is the change from 821 to 963
Calculation steps:
[( 963 - 821 ) ÷ 821] x 100 = 17.3%
Formula
Percentage change = [(963 - 821) / 821] x 100
Subtract the new number by the original number
963 - 821 = 142
142 ÷ 821 = 0.17295980511571254
0.17295980511571254 x 100 = 17.3%