200.6% is the change from 166 to 499
Calculation steps:
[( 499 - 166 ) ÷ 166] x 100 = 200.6%
Formula
Percentage change = [(499 - 166) / 166] x 100
Subtract the new number by the original number
499 - 166 = 333
333 ÷ 166 = 2.0060240963855422
2.0060240963855422 x 100 = 200.6%