54.63% is the change from 324 to 501
Calculation steps:
[( 501 - 324 ) ÷ 324] x 100 = 54.63%
Formula
Percentage change = [(501 - 324) / 324] x 100
Subtract the new number by the original number
501 - 324 = 177
177 ÷ 324 = 0.5462962962962963
0.5462962962962963 x 100 = 54.63%