100.9% is the change from 333 to 669
Calculation steps:
[( 669 - 333 ) ÷ 333] x 100 = 100.9%
Formula
Percentage change = [(669 - 333) / 333] x 100
Subtract the new number by the original number
669 - 333 = 336
336 ÷ 333 = 1.009009009009009
1.009009009009009 x 100 = 100.9%