-72.09% is the change from 978 to 273
Calculation steps:
[( 273 - 978 ) ÷ 978] x 100 = -72.09%
Formula
Percentage change = [(273 - 978) / 978] x 100
Subtract the new number by the original number
273 - 978 = -705
-705 ÷ 978 = -0.7208588957055214
-0.7208588957055214 x 100 = -72.09%