-81.26% is the change from 683 to 128
Calculation steps:
[( 128 - 683 ) ÷ 683] x 100 = -81.26%
Formula
Percentage change = [(128 - 683) / 683] x 100
Subtract the new number by the original number
128 - 683 = -555
-555 ÷ 683 = -0.8125915080527086
-0.8125915080527086 x 100 = -81.26%