-98.45% is the change from 453 to 7
Calculation steps:
[( 7 - 453 ) ÷ 453] x 100 = -98.45%
Formula
Percentage change = [(7 - 453) / 453] x 100
Subtract the new number by the original number
7 - 453 = -446
-446 ÷ 453 = -0.9845474613686535
-0.9845474613686535 x 100 = -98.45%