-28.18% is the change from 628 to 451
Calculation steps:
[( 451 - 628 ) ÷ 628] x 100 = -28.18%
Formula
Percentage change = [(451 - 628) / 628] x 100
Subtract the new number by the original number
451 - 628 = -177
-177 ÷ 628 = -0.2818471337579618
-0.2818471337579618 x 100 = -28.18%