50.77% is the change from 325 to 490
Calculation steps:
[( 490 - 325 ) ÷ 325] x 100 = 50.77%
Formula
Percentage change = [(490 - 325) / 325] x 100
Subtract the new number by the original number
490 - 325 = 165
165 ÷ 325 = 0.5076923076923077
0.5076923076923077 x 100 = 50.77%