-62.8% is the change from 750 to 279
Calculation steps:
[( 279 - 750 ) ÷ 750] x 100 = -62.8%
Formula
Percentage change = [(279 - 750) / 750] x 100
Subtract the new number by the original number
279 - 750 = -471
-471 ÷ 750 = -0.628
-0.628 x 100 = -62.8%