-35.73% is the change from 431 to 277
Calculation steps:
[( 277 - 431 ) ÷ 431] x 100 = -35.73%
Formula
Percentage change = [(277 - 431) / 431] x 100
Subtract the new number by the original number
277 - 431 = -154
-154 ÷ 431 = -0.35730858468677495
-0.35730858468677495 x 100 = -35.73%