-13.7% is the change from 978 to 844
Calculation steps:
[( 844 - 978 ) ÷ 978] x 100 = -13.7%
Formula
Percentage change = [(844 - 978) / 978] x 100
Subtract the new number by the original number
844 - 978 = -134
-134 ÷ 978 = -0.13701431492842536
-0.13701431492842536 x 100 = -13.7%