-39.2% is the change from 750 to 456
Calculation steps:
[( 456 - 750 ) ÷ 750] x 100 = -39.2%
Formula
Percentage change = [(456 - 750) / 750] x 100
Subtract the new number by the original number
456 - 750 = -294
-294 ÷ 750 = -0.392
-0.392 x 100 = -39.2%