-19.94% is the change from 978 to 783
Calculation steps:
[( 783 - 978 ) ÷ 978] x 100 = -19.94%
Formula
Percentage change = [(783 - 978) / 978] x 100
Subtract the new number by the original number
783 - 978 = -195
-195 ÷ 978 = -0.19938650306748465
-0.19938650306748465 x 100 = -19.94%