-21.37% is the change from 978 to 769
Calculation steps:
[( 769 - 978 ) ÷ 978] x 100 = -21.37%
Formula
Percentage change = [(769 - 978) / 978] x 100
Subtract the new number by the original number
769 - 978 = -209
-209 ÷ 978 = -0.21370143149284254
-0.21370143149284254 x 100 = -21.37%