-18.85% is the change from 451 to 366
Calculation steps:
[( 366 - 451 ) ÷ 451] x 100 = -18.85%
Formula
Percentage change = [(366 - 451) / 451] x 100
Subtract the new number by the original number
366 - 451 = -85
-85 ÷ 451 = -0.188470066518847
-0.188470066518847 x 100 = -18.85%