20.63% is the change from 824 to 994
Calculation steps:
[( 994 - 824 ) ÷ 824] x 100 = 20.63%
Formula
Percentage change = [(994 - 824) / 824] x 100
Subtract the new number by the original number
994 - 824 = 170
170 ÷ 824 = 0.20631067961165048
0.20631067961165048 x 100 = 20.63%