-28.51% is the change from 435 to 311
Calculation steps:
[( 311 - 435 ) ÷ 435] x 100 = -28.51%
Formula
Percentage change = [(311 - 435) / 435] x 100
Subtract the new number by the original number
311 - 435 = -124
-124 ÷ 435 = -0.2850574712643678
-0.2850574712643678 x 100 = -28.51%