5483.33% is the change from 12 to 670
Calculation steps:
[( 670 - 12 ) ÷ 12] x 100 = 5483.33%
Formula
Percentage change = [(670 - 12) / 12] x 100
Subtract the new number by the original number
670 - 12 = 658
658 ÷ 12 = 54.833333333333336
54.833333333333336 x 100 = 5483.33%