-54.81% is the change from 945 to 427
Calculation steps:
[( 427 - 945 ) ÷ 945] x 100 = -54.81%
Formula
Percentage change = [(427 - 945) / 945] x 100
Subtract the new number by the original number
427 - 945 = -518
-518 ÷ 945 = -0.5481481481481482
-0.5481481481481482 x 100 = -54.81%