52.89% is the change from 329 to 503
Calculation steps:
[( 503 - 329 ) ÷ 329] x 100 = 52.89%
Formula
Percentage change = [(503 - 329) / 329] x 100
Subtract the new number by the original number
503 - 329 = 174
174 ÷ 329 = 0.5288753799392097
0.5288753799392097 x 100 = 52.89%