-22.8% is the change from 978 to 755
Calculation steps:
[( 755 - 978 ) ÷ 978] x 100 = -22.8%
Formula
Percentage change = [(755 - 978) / 978] x 100
Subtract the new number by the original number
755 - 978 = -223
-223 ÷ 978 = -0.2280163599182004
-0.2280163599182004 x 100 = -22.8%