-43.6% is the change from 750 to 423
Calculation steps:
[( 423 - 750 ) ÷ 750] x 100 = -43.6%
Formula
Percentage change = [(423 - 750) / 750] x 100
Subtract the new number by the original number
423 - 750 = -327
-327 ÷ 750 = -0.436
-0.436 x 100 = -43.6%