-64.3% is the change from 451 to 161
Calculation steps:
[( 161 - 451 ) ÷ 451] x 100 = -64.3%
Formula
Percentage change = [(161 - 451) / 451] x 100
Subtract the new number by the original number
161 - 451 = -290
-290 ÷ 451 = -0.6430155210643016
-0.6430155210643016 x 100 = -64.3%