-55.62% is the change from 978 to 434
Calculation steps:
[( 434 - 978 ) ÷ 978] x 100 = -55.62%
Formula
Percentage change = [(434 - 978) / 978] x 100
Subtract the new number by the original number
434 - 978 = -544
-544 ÷ 978 = -0.556237218813906
-0.556237218813906 x 100 = -55.62%