512% is the change from 100 to 612
Calculation steps:
[( 612 - 100 ) ÷ 100] x 100 = 512%
Formula
Percentage change = [(612 - 100) / 100] x 100
Subtract the new number by the original number
612 - 100 = 512
512 ÷ 100 = 5.12
5.12 x 100 = 512%
Example