-76.94% is the change from 555 to 128
Calculation steps:
[( 128 - 555 ) ÷ 555] x 100 = -76.94%
Formula
Percentage change = [(128 - 555) / 555] x 100
Subtract the new number by the original number
128 - 555 = -427
-427 ÷ 555 = -0.7693693693693694
-0.7693693693693694 x 100 = -76.94%