-81.66% is the change from 698 to 128
Calculation steps:
[( 128 - 698 ) ÷ 698] x 100 = -81.66%
Formula
Percentage change = [(128 - 698) / 698] x 100
Subtract the new number by the original number
128 - 698 = -570
-570 ÷ 698 = -0.8166189111747851
-0.8166189111747851 x 100 = -81.66%