-52.99% is the change from 451 to 212
Calculation steps:
[( 212 - 451 ) ÷ 451] x 100 = -52.99%
Formula
Percentage change = [(212 - 451) / 451] x 100
Subtract the new number by the original number
212 - 451 = -239
-239 ÷ 451 = -0.5299334811529933
-0.5299334811529933 x 100 = -52.99%