20.51% is the change from 824 to 993
Calculation steps:
[( 993 - 824 ) ÷ 824] x 100 = 20.51%
Formula
Percentage change = [(993 - 824) / 824] x 100
Subtract the new number by the original number
993 - 824 = 169
169 ÷ 824 = 0.20509708737864077
0.20509708737864077 x 100 = 20.51%