51.55% is the change from 322 to 488
Calculation steps:
[( 488 - 322 ) ÷ 322] x 100 = 51.55%
Formula
Percentage change = [(488 - 322) / 322] x 100
Subtract the new number by the original number
488 - 322 = 166
166 ÷ 322 = 0.515527950310559
0.515527950310559 x 100 = 51.55%