69.42% is the change from 484 to 820
Calculation steps:
[( 820 - 484 ) ÷ 484] x 100 = 69.42%
Formula
Percentage change = [(820 - 484) / 484] x 100
Subtract the new number by the original number
820 - 484 = 336
336 ÷ 484 = 0.6942148760330579
0.6942148760330579 x 100 = 69.42%