260% is the change from 185 to 666
Calculation steps:
[( 666 - 185 ) ÷ 185] x 100 = 260%
Formula
Percentage change = [(666 - 185) / 185] x 100
Subtract the new number by the original number
666 - 185 = 481
481 ÷ 185 = 2.6
2.6 x 100 = 260%
Example