-84.1% is the change from 805 to 128
Calculation steps:
[( 128 - 805 ) ÷ 805] x 100 = -84.1%
Formula
Percentage change = [(128 - 805) / 805] x 100
Subtract the new number by the original number
128 - 805 = -677
-677 ÷ 805 = -0.8409937888198757
-0.8409937888198757 x 100 = -84.1%