21.8% is the change from 633 to 771
Calculation steps:
[( 771 - 633 ) ÷ 633] x 100 = 21.8%
Formula
Percentage change = [(771 - 633) / 633] x 100
Subtract the new number by the original number
771 - 633 = 138
138 ÷ 633 = 0.21800947867298578
0.21800947867298578 x 100 = 21.8%