5233.33% is the change from 12 to 640
Calculation steps:
[( 640 - 12 ) ÷ 12] x 100 = 5233.33%
Formula
Percentage change = [(640 - 12) / 12] x 100
Subtract the new number by the original number
640 - 12 = 628
628 ÷ 12 = 52.333333333333336
52.333333333333336 x 100 = 5233.33%