-88.59% is the change from 447 to 51
Calculation steps:
[( 51 - 447 ) ÷ 447] x 100 = -88.59%
Formula
Percentage change = [(51 - 447) / 447] x 100
Subtract the new number by the original number
51 - 447 = -396
-396 ÷ 447 = -0.8859060402684564
-0.8859060402684564 x 100 = -88.59%