146.86% is the change from 271 to 669
Calculation steps:
[( 669 - 271 ) ÷ 271] x 100 = 146.86%
Formula
Percentage change = [(669 - 271) / 271] x 100
Subtract the new number by the original number
669 - 271 = 398
398 ÷ 271 = 1.4686346863468636
1.4686346863468636 x 100 = 146.86%