126.8% is the change from 388 to 880
Calculation steps:
[( 880 - 388 ) ÷ 388] x 100 = 126.8%
Formula
Percentage change = [(880 - 388) / 388] x 100
Subtract the new number by the original number
880 - 388 = 492
492 ÷ 388 = 1.268041237113402
1.268041237113402 x 100 = 126.8%