121.66% is the change from 397 to 880
Calculation steps:
[( 880 - 397 ) ÷ 397] x 100 = 121.66%
Formula
Percentage change = [(880 - 397) / 397] x 100
Subtract the new number by the original number
880 - 397 = 483
483 ÷ 397 = 1.216624685138539
1.216624685138539 x 100 = 121.66%