-28.98% is the change from 635 to 451
Calculation steps:
[( 451 - 635 ) ÷ 635] x 100 = -28.98%
Formula
Percentage change = [(451 - 635) / 635] x 100
Subtract the new number by the original number
451 - 635 = -184
-184 ÷ 635 = -0.28976377952755905
-0.28976377952755905 x 100 = -28.98%