-84.25% is the change from 978 to 154
Calculation steps:
[( 154 - 978 ) ÷ 978] x 100 = -84.25%
Formula
Percentage change = [(154 - 978) / 978] x 100
Subtract the new number by the original number
154 - 978 = -824
-824 ÷ 978 = -0.8425357873210634
-0.8425357873210634 x 100 = -84.25%