-82.76% is the change from 899 to 155
Calculation steps:
[( 155 - 899 ) ÷ 899] x 100 = -82.76%
Formula
Percentage change = [(155 - 899) / 899] x 100
Subtract the new number by the original number
155 - 899 = -744
-744 ÷ 899 = -0.8275862068965517
-0.8275862068965517 x 100 = -82.76%