198.21% is the change from 335 to 999
Calculation steps:
[( 999 - 335 ) ÷ 335] x 100 = 198.21%
Formula
Percentage change = [(999 - 335) / 335] x 100
Subtract the new number by the original number
999 - 335 = 664
664 ÷ 335 = 1.982089552238806
1.982089552238806 x 100 = 198.21%