-12.88% is the change from 978 to 852
Calculation steps:
[( 852 - 978 ) ÷ 978] x 100 = -12.88%
Formula
Percentage change = [(852 - 978) / 978] x 100
Subtract the new number by the original number
852 - 978 = -126
-126 ÷ 978 = -0.12883435582822086
-0.12883435582822086 x 100 = -12.88%