-63.6% is the change from 750 to 273
Calculation steps:
[( 273 - 750 ) ÷ 750] x 100 = -63.6%
Formula
Percentage change = [(273 - 750) / 750] x 100
Subtract the new number by the original number
273 - 750 = -477
-477 ÷ 750 = -0.636
-0.636 x 100 = -63.6%