-71.35% is the change from 890 to 255
Calculation steps:
[( 255 - 890 ) ÷ 890] x 100 = -71.35%
Formula
Percentage change = [(255 - 890) / 890] x 100
Subtract the new number by the original number
255 - 890 = -635
-635 ÷ 890 = -0.7134831460674157
-0.7134831460674157 x 100 = -71.35%