-84.97% is the change from 805 to 121
Calculation steps:
[( 121 - 805 ) ÷ 805] x 100 = -84.97%
Formula
Percentage change = [(121 - 805) / 805] x 100
Subtract the new number by the original number
121 - 805 = -684
-684 ÷ 805 = -0.8496894409937888
-0.8496894409937888 x 100 = -84.97%