137.72% is the change from 281 to 668
Calculation steps:
[( 668 - 281 ) ÷ 281] x 100 = 137.72%
Formula
Percentage change = [(668 - 281) / 281] x 100
Subtract the new number by the original number
668 - 281 = 387
387 ÷ 281 = 1.3772241992882561
1.3772241992882561 x 100 = 137.72%