-85.17% is the change from 978 to 145
Calculation steps:
[( 145 - 978 ) ÷ 978] x 100 = -85.17%
Formula
Percentage change = [(145 - 978) / 978] x 100
Subtract the new number by the original number
145 - 978 = -833
-833 ÷ 978 = -0.8517382413087935
-0.8517382413087935 x 100 = -85.17%