18.88% is the change from 821 to 976
Calculation steps:
[( 976 - 821 ) ÷ 821] x 100 = 18.88%
Formula
Percentage change = [(976 - 821) / 821] x 100
Subtract the new number by the original number
976 - 821 = 155
155 ÷ 821 = 0.18879415347137637
0.18879415347137637 x 100 = 18.88%