7.82% is the change from 921 to 993
Calculation steps:
[( 993 - 921 ) ÷ 921] x 100 = 7.82%
Formula
Percentage change = [(993 - 921) / 921] x 100
Subtract the new number by the original number
993 - 921 = 72
72 ÷ 921 = 0.0781758957654723
0.0781758957654723 x 100 = 7.82%