-1.94% is the change from 978 to 959
Calculation steps:
[( 959 - 978 ) ÷ 978] x 100 = -1.94%
Formula
Percentage change = [(959 - 978) / 978] x 100
Subtract the new number by the original number
959 - 978 = -19
-19 ÷ 978 = -0.019427402862985686
-0.019427402862985686 x 100 = -1.94%