-71.78% is the change from 900 to 254
Calculation steps:
[( 254 - 900 ) ÷ 900] x 100 = -71.78%
Formula
Percentage change = [(254 - 900) / 900] x 100
Subtract the new number by the original number
254 - 900 = -646
-646 ÷ 900 = -0.7177777777777777
-0.7177777777777777 x 100 = -71.78%