72.56% is the change from 481 to 830
Calculation steps:
[( 830 - 481 ) ÷ 481] x 100 = 72.56%
Formula
Percentage change = [(830 - 481) / 481] x 100
Subtract the new number by the original number
830 - 481 = 349
349 ÷ 481 = 0.7255717255717256
0.7255717255717256 x 100 = 72.56%