179.56% is the change from 181 to 506
Calculation steps:
[( 506 - 181 ) ÷ 181] x 100 = 179.56%
Formula
Percentage change = [(506 - 181) / 181] x 100
Subtract the new number by the original number
506 - 181 = 325
325 ÷ 181 = 1.7955801104972375
1.7955801104972375 x 100 = 179.56%