166.99% is the change from 206 to 550
Calculation steps:
[( 550 - 206 ) ÷ 206] x 100 = 166.99%
Formula
Percentage change = [(550 - 206) / 206] x 100
Subtract the new number by the original number
550 - 206 = 344
344 ÷ 206 = 1.6699029126213591
1.6699029126213591 x 100 = 166.99%