123.35% is the change from 394 to 880
Calculation steps:
[( 880 - 394 ) ÷ 394] x 100 = 123.35%
Formula
Percentage change = [(880 - 394) / 394] x 100
Subtract the new number by the original number
880 - 394 = 486
486 ÷ 394 = 1.233502538071066
1.233502538071066 x 100 = 123.35%