-32.54% is the change from 673 to 454
Calculation steps:
[( 454 - 673 ) ÷ 673] x 100 = -32.54%
Formula
Percentage change = [(454 - 673) / 673] x 100
Subtract the new number by the original number
454 - 673 = -219
-219 ÷ 673 = -0.32540861812778604
-0.32540861812778604 x 100 = -32.54%