15.56% is the change from 797 to 921
Calculation steps:
[( 921 - 797 ) ÷ 797] x 100 = 15.56%
Formula
Percentage change = [(921 - 797) / 797] x 100
Subtract the new number by the original number
921 - 797 = 124
124 ÷ 797 = 0.15558343789209536
0.15558343789209536 x 100 = 15.56%