20.44% is the change from 812 to 978
Calculation steps:
[( 978 - 812 ) ÷ 812] x 100 = 20.44%
Formula
Percentage change = [(978 - 812) / 812] x 100
Subtract the new number by the original number
978 - 812 = 166
166 ÷ 812 = 0.2044334975369458
0.2044334975369458 x 100 = 20.44%