-3.37% is the change from 978 to 945
Calculation steps:
[( 945 - 978 ) ÷ 978] x 100 = -3.37%
Formula
Percentage change = [(945 - 978) / 978] x 100
Subtract the new number by the original number
945 - 978 = -33
-33 ÷ 978 = -0.03374233128834356
-0.03374233128834356 x 100 = -3.37%