-1.84% is the change from 978 to 960
Calculation steps:
[( 960 - 978 ) ÷ 978] x 100 = -1.84%
Formula
Percentage change = [(960 - 978) / 978] x 100
Subtract the new number by the original number
960 - 978 = -18
-18 ÷ 978 = -0.018404907975460124
-0.018404907975460124 x 100 = -1.84%