-40.48% is the change from 756 to 450
Calculation steps:
[( 450 - 756 ) ÷ 756] x 100 = -40.48%
Formula
Percentage change = [(450 - 756) / 756] x 100
Subtract the new number by the original number
450 - 756 = -306
-306 ÷ 756 = -0.40476190476190477
-0.40476190476190477 x 100 = -40.48%