18.69% is the change from 824 to 978
Calculation steps:
[( 978 - 824 ) ÷ 824] x 100 = 18.69%
Formula
Percentage change = [(978 - 824) / 824] x 100
Subtract the new number by the original number
978 - 824 = 154
154 ÷ 824 = 0.18689320388349515
0.18689320388349515 x 100 = 18.69%