68.93% is the change from 486 to 821
Calculation steps:
[( 821 - 486 ) ÷ 486] x 100 = 68.93%
Formula
Percentage change = [(821 - 486) / 486] x 100
Subtract the new number by the original number
821 - 486 = 335
335 ÷ 486 = 0.6893004115226338
0.6893004115226338 x 100 = 68.93%