55.38% is the change from 325 to 505
Calculation steps:
[( 505 - 325 ) ÷ 325] x 100 = 55.38%
Formula
Percentage change = [(505 - 325) / 325] x 100
Subtract the new number by the original number
505 - 325 = 180
180 ÷ 325 = 0.5538461538461539
0.5538461538461539 x 100 = 55.38%