119.56% is the change from 455 to 999
Calculation steps:
[( 999 - 455 ) ÷ 455] x 100 = 119.56%
Formula
Percentage change = [(999 - 455) / 455] x 100
Subtract the new number by the original number
999 - 455 = 544
544 ÷ 455 = 1.1956043956043956
1.1956043956043956 x 100 = 119.56%