68.39% is the change from 484 to 815
Calculation steps:
[( 815 - 484 ) ÷ 484] x 100 = 68.39%
Formula
Percentage change = [(815 - 484) / 484] x 100
Subtract the new number by the original number
815 - 484 = 331
331 ÷ 484 = 0.6838842975206612
0.6838842975206612 x 100 = 68.39%