29.7% is the change from 633 to 821
Calculation steps:
[( 821 - 633 ) ÷ 633] x 100 = 29.7%
Formula
Percentage change = [(821 - 633) / 633] x 100
Subtract the new number by the original number
821 - 633 = 188
188 ÷ 633 = 0.296998420221169
0.296998420221169 x 100 = 29.7%