-97.34% is the change from 451 to 12
Calculation steps:
[( 12 - 451 ) ÷ 451] x 100 = -97.34%
Formula
Percentage change = [(12 - 451) / 451] x 100
Subtract the new number by the original number
12 - 451 = -439
-439 ÷ 451 = -0.9733924611973392
-0.9733924611973392 x 100 = -97.34%