97.31% is the change from 335 to 661
Calculation steps:
[( 661 - 335 ) ÷ 335] x 100 = 97.31%
Formula
Percentage change = [(661 - 335) / 335] x 100
Subtract the new number by the original number
661 - 335 = 326
326 ÷ 335 = 0.9731343283582089
0.9731343283582089 x 100 = 97.31%