-77.71% is the change from 978 to 218
Calculation steps:
[( 218 - 978 ) ÷ 978] x 100 = -77.71%
Formula
Percentage change = [(218 - 978) / 978] x 100
Subtract the new number by the original number
218 - 978 = -760
-760 ÷ 978 = -0.7770961145194274
-0.7770961145194274 x 100 = -77.71%