17.9% is the change from 821 to 968
Calculation steps:
[( 968 - 821 ) ÷ 821] x 100 = 17.9%
Formula
Percentage change = [(968 - 821) / 821] x 100
Subtract the new number by the original number
968 - 821 = 147
147 ÷ 821 = 0.17904993909866018
0.17904993909866018 x 100 = 17.9%