-58.4% is the change from 750 to 312
Calculation steps:
[( 312 - 750 ) ÷ 750] x 100 = -58.4%
Formula
Percentage change = [(312 - 750) / 750] x 100
Subtract the new number by the original number
312 - 750 = -438
-438 ÷ 750 = -0.584
-0.584 x 100 = -58.4%