-36% is the change from 750 to 480
Calculation steps:
[( 480 - 750 ) ÷ 750] x 100 = -36%
Formula
Percentage change = [(480 - 750) / 750] x 100
Subtract the new number by the original number
480 - 750 = -270
-270 ÷ 750 = -0.36
-0.36 x 100 = -36%
Example