-37.42% is the change from 978 to 612
Calculation steps:
[( 612 - 978 ) ÷ 978] x 100 = -37.42%
Formula
Percentage change = [(612 - 978) / 978] x 100
Subtract the new number by the original number
612 - 978 = -366
-366 ÷ 978 = -0.37423312883435583
-0.37423312883435583 x 100 = -37.42%