-19.22% is the change from 978 to 790
Calculation steps:
[( 790 - 978 ) ÷ 978] x 100 = -19.22%
Formula
Percentage change = [(790 - 978) / 978] x 100
Subtract the new number by the original number
790 - 978 = -188
-188 ÷ 978 = -0.19222903885480572
-0.19222903885480572 x 100 = -19.22%