81.4% is the change from 484 to 878
Calculation steps:
[( 878 - 484 ) ÷ 484] x 100 = 81.4%
Formula
Percentage change = [(878 - 484) / 484] x 100
Subtract the new number by the original number
878 - 484 = 394
394 ÷ 484 = 0.8140495867768595
0.8140495867768595 x 100 = 81.4%