-28.34% is the change from 434 to 311
Calculation steps:
[( 311 - 434 ) ÷ 434] x 100 = -28.34%
Formula
Percentage change = [(311 - 434) / 434] x 100
Subtract the new number by the original number
311 - 434 = -123
-123 ÷ 434 = -0.2834101382488479
-0.2834101382488479 x 100 = -28.34%