-71.92% is the change from 908 to 255
Calculation steps:
[( 255 - 908 ) ÷ 908] x 100 = -71.92%
Formula
Percentage change = [(255 - 908) / 908] x 100
Subtract the new number by the original number
255 - 908 = -653
-653 ÷ 908 = -0.7191629955947136
-0.7191629955947136 x 100 = -71.92%