-98.45% is the change from 451 to 7
Calculation steps:
[( 7 - 451 ) ÷ 451] x 100 = -98.45%
Formula
Percentage change = [(7 - 451) / 451] x 100
Subtract the new number by the original number
7 - 451 = -444
-444 ÷ 451 = -0.9844789356984479
-0.9844789356984479 x 100 = -98.45%