70.23% is the change from 487 to 829
Calculation steps:
[( 829 - 487 ) ÷ 487] x 100 = 70.23%
Formula
Percentage change = [(829 - 487) / 487] x 100
Subtract the new number by the original number
829 - 487 = 342
342 ÷ 487 = 0.702258726899384
0.702258726899384 x 100 = 70.23%