-80.88% is the change from 978 to 187
Calculation steps:
[( 187 - 978 ) ÷ 978] x 100 = -80.88%
Formula
Percentage change = [(187 - 978) / 978] x 100
Subtract the new number by the original number
187 - 978 = -791
-791 ÷ 978 = -0.8087934560327198
-0.8087934560327198 x 100 = -80.88%