-94.55% is the change from 899 to 49
Calculation steps:
[( 49 - 899 ) ÷ 899] x 100 = -94.55%
Formula
Percentage change = [(49 - 899) / 899] x 100
Subtract the new number by the original number
49 - 899 = -850
-850 ÷ 899 = -0.9454949944382648
-0.9454949944382648 x 100 = -94.55%