-7.87% is the change from 978 to 901
Calculation steps:
[( 901 - 978 ) ÷ 978] x 100 = -7.87%
Formula
Percentage change = [(901 - 978) / 978] x 100
Subtract the new number by the original number
901 - 978 = -77
-77 ÷ 978 = -0.0787321063394683
-0.0787321063394683 x 100 = -7.87%