-65.91% is the change from 748 to 255
Calculation steps:
[( 255 - 748 ) ÷ 748] x 100 = -65.91%
Formula
Percentage change = [(255 - 748) / 748] x 100
Subtract the new number by the original number
255 - 748 = -493
-493 ÷ 748 = -0.6590909090909091
-0.6590909090909091 x 100 = -65.91%