67.83% is the change from 488 to 819
Calculation steps:
[( 819 - 488 ) ÷ 488] x 100 = 67.83%
Formula
Percentage change = [(819 - 488) / 488] x 100
Subtract the new number by the original number
819 - 488 = 331
331 ÷ 488 = 0.6782786885245902
0.6782786885245902 x 100 = 67.83%