-81.07% is the change from 676 to 128
Calculation steps:
[( 128 - 676 ) ÷ 676] x 100 = -81.07%
Formula
Percentage change = [(128 - 676) / 676] x 100
Subtract the new number by the original number
128 - 676 = -548
-548 ÷ 676 = -0.8106508875739645
-0.8106508875739645 x 100 = -81.07%