-14.52% is the change from 978 to 836
Calculation steps:
[( 836 - 978 ) ÷ 978] x 100 = -14.52%
Formula
Percentage change = [(836 - 978) / 978] x 100
Subtract the new number by the original number
836 - 978 = -142
-142 ÷ 978 = -0.14519427402862986
-0.14519427402862986 x 100 = -14.52%