-19.53% is the change from 978 to 787
Calculation steps:
[( 787 - 978 ) ÷ 978] x 100 = -19.53%
Formula
Percentage change = [(787 - 978) / 978] x 100
Subtract the new number by the original number
787 - 978 = -191
-191 ÷ 978 = -0.19529652351738241
-0.19529652351738241 x 100 = -19.53%