-73.19% is the change from 951 to 255
Calculation steps:
[( 255 - 951 ) ÷ 951] x 100 = -73.19%
Formula
Percentage change = [(255 - 951) / 951] x 100
Subtract the new number by the original number
255 - 951 = -696
-696 ÷ 951 = -0.7318611987381703
-0.7318611987381703 x 100 = -73.19%