-96.77% is the change from 899 to 29
Calculation steps:
[( 29 - 899 ) ÷ 899] x 100 = -96.77%
Formula
Percentage change = [(29 - 899) / 899] x 100
Subtract the new number by the original number
29 - 899 = -870
-870 ÷ 899 = -0.967741935483871
-0.967741935483871 x 100 = -96.77%