-30.88% is the change from 748 to 517
Calculation steps:
[( 517 - 748 ) ÷ 748] x 100 = -30.88%
Formula
Percentage change = [(517 - 748) / 748] x 100
Subtract the new number by the original number
517 - 748 = -231
-231 ÷ 748 = -0.3088235294117647
-0.3088235294117647 x 100 = -30.88%