81.2% is the change from 484 to 877
Calculation steps:
[( 877 - 484 ) ÷ 484] x 100 = 81.2%
Formula
Percentage change = [(877 - 484) / 484] x 100
Subtract the new number by the original number
877 - 484 = 393
393 ÷ 484 = 0.8119834710743802
0.8119834710743802 x 100 = 81.2%