-28.77% is the change from 431 to 307
Calculation steps:
[( 307 - 431 ) ÷ 431] x 100 = -28.77%
Formula
Percentage change = [(307 - 431) / 431] x 100
Subtract the new number by the original number
307 - 431 = -124
-124 ÷ 431 = -0.2877030162412993
-0.2877030162412993 x 100 = -28.77%