-85.81% is the change from 451 to 64
Calculation steps:
[( 64 - 451 ) ÷ 451] x 100 = -85.81%
Formula
Percentage change = [(64 - 451) / 451] x 100
Subtract the new number by the original number
64 - 451 = -387
-387 ÷ 451 = -0.8580931263858093
-0.8580931263858093 x 100 = -85.81%