50.15% is the change from 325 to 488
Calculation steps:
[( 488 - 325 ) ÷ 325] x 100 = 50.15%
Formula
Percentage change = [(488 - 325) / 325] x 100
Subtract the new number by the original number
488 - 325 = 163
163 ÷ 325 = 0.5015384615384615
0.5015384615384615 x 100 = 50.15%