-47.2% is the change from 945 to 499
Calculation steps:
[( 499 - 945 ) ÷ 945] x 100 = -47.2%
Formula
Percentage change = [(499 - 945) / 945] x 100
Subtract the new number by the original number
499 - 945 = -446
-446 ÷ 945 = -0.47195767195767196
-0.47195767195767196 x 100 = -47.2%