267.96% is the change from 181 to 666
Calculation steps:
[( 666 - 181 ) ÷ 181] x 100 = 267.96%
Formula
Percentage change = [(666 - 181) / 181] x 100
Subtract the new number by the original number
666 - 181 = 485
485 ÷ 181 = 2.679558011049724
2.679558011049724 x 100 = 267.96%