197.09% is the change from 206 to 612
Calculation steps:
[( 612 - 206 ) ÷ 206] x 100 = 197.09%
Formula
Percentage change = [(612 - 206) / 206] x 100
Subtract the new number by the original number
612 - 206 = 406
406 ÷ 206 = 1.970873786407767
1.970873786407767 x 100 = 197.09%