204.82% is the change from 166 to 506
Calculation steps:
[( 506 - 166 ) ÷ 166] x 100 = 204.82%
Formula
Percentage change = [(506 - 166) / 166] x 100
Subtract the new number by the original number
506 - 166 = 340
340 ÷ 166 = 2.0481927710843375
2.0481927710843375 x 100 = 204.82%