-80.57% is the change from 844 to 164
Calculation steps:
[( 164 - 844 ) ÷ 844] x 100 = -80.57%
Formula
Percentage change = [(164 - 844) / 844] x 100
Subtract the new number by the original number
164 - 844 = -680
-680 ÷ 844 = -0.8056872037914692
-0.8056872037914692 x 100 = -80.57%