-80.93% is the change from 451 to 86
Calculation steps:
[( 86 - 451 ) ÷ 451] x 100 = -80.93%
Formula
Percentage change = [(86 - 451) / 451] x 100
Subtract the new number by the original number
86 - 451 = -365
-365 ÷ 451 = -0.8093126385809313
-0.8093126385809313 x 100 = -80.93%