-76.69% is the change from 429 to 100
Calculation steps:
[( 100 - 429 ) ÷ 429] x 100 = -76.69%
Formula
Percentage change = [(100 - 429) / 429] x 100
Subtract the new number by the original number
100 - 429 = -329
-329 ÷ 429 = -0.7668997668997669
-0.7668997668997669 x 100 = -76.69%