-89.47% is the change from 845 to 89
Calculation steps:
[( 89 - 845 ) ÷ 845] x 100 = -89.47%
Formula
Percentage change = [(89 - 845) / 845] x 100
Subtract the new number by the original number
89 - 845 = -756
-756 ÷ 845 = -0.8946745562130177
-0.8946745562130177 x 100 = -89.47%