69.3% is the change from 329 to 557
Calculation steps:
[( 557 - 329 ) ÷ 329] x 100 = 69.3%
Formula
Percentage change = [(557 - 329) / 329] x 100
Subtract the new number by the original number
557 - 329 = 228
228 ÷ 329 = 0.6930091185410334
0.6930091185410334 x 100 = 69.3%