257.23% is the change from 166 to 593
Calculation steps:
[( 593 - 166 ) ÷ 166] x 100 = 257.23%
Formula
Percentage change = [(593 - 166) / 166] x 100
Subtract the new number by the original number
593 - 166 = 427
427 ÷ 166 = 2.572289156626506
2.572289156626506 x 100 = 257.23%