-76.76% is the change from 555 to 129
Calculation steps:
[( 129 - 555 ) ÷ 555] x 100 = -76.76%
Formula
Percentage change = [(129 - 555) / 555] x 100
Subtract the new number by the original number
129 - 555 = -426
-426 ÷ 555 = -0.7675675675675676
-0.7675675675675676 x 100 = -76.76%