-1.74% is the change from 978 to 961
Calculation steps:
[( 961 - 978 ) ÷ 978] x 100 = -1.74%
Formula
Percentage change = [(961 - 978) / 978] x 100
Subtract the new number by the original number
961 - 978 = -17
-17 ÷ 978 = -0.017382413087934562
-0.017382413087934562 x 100 = -1.74%