81.5% is the change from 481 to 873
Calculation steps:
[( 873 - 481 ) ÷ 481] x 100 = 81.5%
Formula
Percentage change = [(873 - 481) / 481] x 100
Subtract the new number by the original number
873 - 481 = 392
392 ÷ 481 = 0.814968814968815
0.814968814968815 x 100 = 81.5%