255.42% is the change from 166 to 590
Calculation steps:
[( 590 - 166 ) ÷ 166] x 100 = 255.42%
Formula
Percentage change = [(590 - 166) / 166] x 100
Subtract the new number by the original number
590 - 166 = 424
424 ÷ 166 = 2.5542168674698793
2.5542168674698793 x 100 = 255.42%