69.88% is the change from 488 to 829
Calculation steps:
[( 829 - 488 ) ÷ 488] x 100 = 69.88%
Formula
Percentage change = [(829 - 488) / 488] x 100
Subtract the new number by the original number
829 - 488 = 341
341 ÷ 488 = 0.6987704918032787
0.6987704918032787 x 100 = 69.88%