4975% is the change from 12 to 609
Calculation steps:
[( 609 - 12 ) ÷ 12] x 100 = 4975%
Formula
Percentage change = [(609 - 12) / 12] x 100
Subtract the new number by the original number
609 - 12 = 597
597 ÷ 12 = 49.75
49.75 x 100 = 4975%
Example