-46.35% is the change from 945 to 507
Calculation steps:
[( 507 - 945 ) ÷ 945] x 100 = -46.35%
Formula
Percentage change = [(507 - 945) / 945] x 100
Subtract the new number by the original number
507 - 945 = -438
-438 ÷ 945 = -0.4634920634920635
-0.4634920634920635 x 100 = -46.35%