143.8% is the change from 274 to 668
Calculation steps:
[( 668 - 274 ) ÷ 274] x 100 = 143.8%
Formula
Percentage change = [(668 - 274) / 274] x 100
Subtract the new number by the original number
668 - 274 = 394
394 ÷ 274 = 1.437956204379562
1.437956204379562 x 100 = 143.8%