-31.6% is the change from 750 to 513
Calculation steps:
[( 513 - 750 ) ÷ 750] x 100 = -31.6%
Formula
Percentage change = [(513 - 750) / 750] x 100
Subtract the new number by the original number
513 - 750 = -237
-237 ÷ 750 = -0.316
-0.316 x 100 = -31.6%