-95.55% is the change from 899 to 40
Calculation steps:
[( 40 - 899 ) ÷ 899] x 100 = -95.55%
Formula
Percentage change = [(40 - 899) / 899] x 100
Subtract the new number by the original number
40 - 899 = -859
-859 ÷ 899 = -0.9555061179087876
-0.9555061179087876 x 100 = -95.55%