97.01% is the change from 335 to 660
Calculation steps:
[( 660 - 335 ) ÷ 335] x 100 = 97.01%
Formula
Percentage change = [(660 - 335) / 335] x 100
Subtract the new number by the original number
660 - 335 = 325
325 ÷ 335 = 0.9701492537313433
0.9701492537313433 x 100 = 97.01%