-27.27% is the change from 429 to 312
Calculation steps:
[( 312 - 429 ) ÷ 429] x 100 = -27.27%
Formula
Percentage change = [(312 - 429) / 429] x 100
Subtract the new number by the original number
312 - 429 = -117
-117 ÷ 429 = -0.2727272727272727
-0.2727272727272727 x 100 = -27.27%