-66.05% is the change from 751 to 255
Calculation steps:
[( 255 - 751 ) ÷ 751] x 100 = -66.05%
Formula
Percentage change = [(255 - 751) / 751] x 100
Subtract the new number by the original number
255 - 751 = -496
-496 ÷ 751 = -0.6604527296937417
-0.6604527296937417 x 100 = -66.05%