-78.12% is the change from 978 to 214
Calculation steps:
[( 214 - 978 ) ÷ 978] x 100 = -78.12%
Formula
Percentage change = [(214 - 978) / 978] x 100
Subtract the new number by the original number
214 - 978 = -764
-764 ÷ 978 = -0.7811860940695297
-0.7811860940695297 x 100 = -78.12%