-68.51% is the change from 451 to 142
Calculation steps:
[( 142 - 451 ) ÷ 451] x 100 = -68.51%
Formula
Percentage change = [(142 - 451) / 451] x 100
Subtract the new number by the original number
142 - 451 = -309
-309 ÷ 451 = -0.6851441241685144
-0.6851441241685144 x 100 = -68.51%