-68.38% is the change from 408 to 129
Calculation steps:
[( 129 - 408 ) ÷ 408] x 100 = -68.38%
Formula
Percentage change = [(129 - 408) / 408] x 100
Subtract the new number by the original number
129 - 408 = -279
-279 ÷ 408 = -0.6838235294117647
-0.6838235294117647 x 100 = -68.38%