5508.33% is the change from 12 to 673
Calculation steps:
[( 673 - 12 ) ÷ 12] x 100 = 5508.33%
Formula
Percentage change = [(673 - 12) / 12] x 100
Subtract the new number by the original number
673 - 12 = 661
661 ÷ 12 = 55.083333333333336
55.083333333333336 x 100 = 5508.33%