-30.39% is the change from 431 to 300
Calculation steps:
[( 300 - 431 ) ÷ 431] x 100 = -30.39%
Formula
Percentage change = [(300 - 431) / 431] x 100
Subtract the new number by the original number
300 - 431 = -131
-131 ÷ 431 = -0.3039443155452436
-0.3039443155452436 x 100 = -30.39%