-14.2% is the change from 500 to 429
Calculation steps:
[( 429 - 500 ) ÷ 500] x 100 = -14.2%
Formula
Percentage change = [(429 - 500) / 500] x 100
Subtract the new number by the original number
429 - 500 = -71
-71 ÷ 500 = -0.142
-0.142 x 100 = -14.2%