-53.44% is the change from 451 to 210
Calculation steps:
[( 210 - 451 ) ÷ 451] x 100 = -53.44%
Formula
Percentage change = [(210 - 451) / 451] x 100
Subtract the new number by the original number
210 - 451 = -241
-241 ÷ 451 = -0.5343680709534369
-0.5343680709534369 x 100 = -53.44%