97.91% is the change from 335 to 663
Calculation steps:
[( 663 - 335 ) ÷ 335] x 100 = 97.91%
Formula
Percentage change = [(663 - 335) / 335] x 100
Subtract the new number by the original number
663 - 335 = 328
328 ÷ 335 = 0.9791044776119403
0.9791044776119403 x 100 = 97.91%