-84.83% is the change from 844 to 128
Calculation steps:
[( 128 - 844 ) ÷ 844] x 100 = -84.83%
Formula
Percentage change = [(128 - 844) / 844] x 100
Subtract the new number by the original number
128 - 844 = -716
-716 ÷ 844 = -0.8483412322274881
-0.8483412322274881 x 100 = -84.83%