-46.56% is the change from 945 to 505
Calculation steps:
[( 505 - 945 ) ÷ 945] x 100 = -46.56%
Formula
Percentage change = [(505 - 945) / 945] x 100
Subtract the new number by the original number
505 - 945 = -440
-440 ÷ 945 = -0.4656084656084656
-0.4656084656084656 x 100 = -46.56%