66.6% is the change from 488 to 813
Calculation steps:
[( 813 - 488 ) ÷ 488] x 100 = 66.6%
Formula
Percentage change = [(813 - 488) / 488] x 100
Subtract the new number by the original number
813 - 488 = 325
325 ÷ 488 = 0.6659836065573771
0.6659836065573771 x 100 = 66.6%