-34.36% is the change from 748 to 491
Calculation steps:
[( 491 - 748 ) ÷ 748] x 100 = -34.36%
Formula
Percentage change = [(491 - 748) / 748] x 100
Subtract the new number by the original number
491 - 748 = -257
-257 ÷ 748 = -0.34358288770053474
-0.34358288770053474 x 100 = -34.36%