-81.37% is the change from 408 to 76
Calculation steps:
[( 76 - 408 ) ÷ 408] x 100 = -81.37%
Formula
Percentage change = [(76 - 408) / 408] x 100
Subtract the new number by the original number
76 - 408 = -332
-332 ÷ 408 = -0.8137254901960784
-0.8137254901960784 x 100 = -81.37%