5425% is the change from 12 to 663
Calculation steps:
[( 663 - 12 ) ÷ 12] x 100 = 5425%
Formula
Percentage change = [(663 - 12) / 12] x 100
Subtract the new number by the original number
663 - 12 = 651
651 ÷ 12 = 54.25
54.25 x 100 = 5425%
Example