-82.31% is the change from 899 to 159
Calculation steps:
[( 159 - 899 ) ÷ 899] x 100 = -82.31%
Formula
Percentage change = [(159 - 899) / 899] x 100
Subtract the new number by the original number
159 - 899 = -740
-740 ÷ 899 = -0.8231368186874305
-0.8231368186874305 x 100 = -82.31%