-71.89% is the change from 907 to 255
Calculation steps:
[( 255 - 907 ) ÷ 907] x 100 = -71.89%
Formula
Percentage change = [(255 - 907) / 907] x 100
Subtract the new number by the original number
255 - 907 = -652
-652 ÷ 907 = -0.7188533627342889
-0.7188533627342889 x 100 = -71.89%