-35.77% is the change from 671 to 431
Calculation steps:
[( 431 - 671 ) ÷ 671] x 100 = -35.77%
Formula
Percentage change = [(431 - 671) / 671] x 100
Subtract the new number by the original number
431 - 671 = -240
-240 ÷ 671 = -0.35767511177347244
-0.35767511177347244 x 100 = -35.77%