263.86% is the change from 166 to 604
Calculation steps:
[( 604 - 166 ) ÷ 166] x 100 = 263.86%
Formula
Percentage change = [(604 - 166) / 166] x 100
Subtract the new number by the original number
604 - 166 = 438
438 ÷ 166 = 2.63855421686747
2.63855421686747 x 100 = 263.86%