-43.66% is the change from 978 to 551
Calculation steps:
[( 551 - 978 ) ÷ 978] x 100 = -43.66%
Formula
Percentage change = [(551 - 978) / 978] x 100
Subtract the new number by the original number
551 - 978 = -427
-427 ÷ 978 = -0.43660531697341515
-0.43660531697341515 x 100 = -43.66%