100.91% is the change from 329 to 661
Calculation steps:
[( 661 - 329 ) ÷ 329] x 100 = 100.91%
Formula
Percentage change = [(661 - 329) / 329] x 100
Subtract the new number by the original number
661 - 329 = 332
332 ÷ 329 = 1.0091185410334347
1.0091185410334347 x 100 = 100.91%