-80.59% is the change from 845 to 164
Calculation steps:
[( 164 - 845 ) ÷ 845] x 100 = -80.59%
Formula
Percentage change = [(164 - 845) / 845] x 100
Subtract the new number by the original number
164 - 845 = -681
-681 ÷ 845 = -0.8059171597633136
-0.8059171597633136 x 100 = -80.59%