-52.38% is the change from 945 to 450
Calculation steps:
[( 450 - 945 ) ÷ 945] x 100 = -52.38%
Formula
Percentage change = [(450 - 945) / 945] x 100
Subtract the new number by the original number
450 - 945 = -495
-495 ÷ 945 = -0.5238095238095238
-0.5238095238095238 x 100 = -52.38%