-31.37% is the change from 628 to 431
Calculation steps:
[( 431 - 628 ) ÷ 628] x 100 = -31.37%
Formula
Percentage change = [(431 - 628) / 628] x 100
Subtract the new number by the original number
431 - 628 = -197
-197 ÷ 628 = -0.31369426751592355
-0.31369426751592355 x 100 = -31.37%