-60% is the change from 750 to 300
Calculation steps:
[( 300 - 750 ) ÷ 750] x 100 = -60%
Formula
Percentage change = [(300 - 750) / 750] x 100
Subtract the new number by the original number
300 - 750 = -450
-450 ÷ 750 = -0.6
-0.6 x 100 = -60%
Example