266.87% is the change from 166 to 609
Calculation steps:
[( 609 - 166 ) ÷ 166] x 100 = 266.87%
Formula
Percentage change = [(609 - 166) / 166] x 100
Subtract the new number by the original number
609 - 166 = 443
443 ÷ 166 = 2.6686746987951806
2.6686746987951806 x 100 = 266.87%