-20.65% is the change from 978 to 776
Calculation steps:
[( 776 - 978 ) ÷ 978] x 100 = -20.65%
Formula
Percentage change = [(776 - 978) / 978] x 100
Subtract the new number by the original number
776 - 978 = -202
-202 ÷ 978 = -0.2065439672801636
-0.2065439672801636 x 100 = -20.65%