69.85% is the change from 481 to 817
Calculation steps:
[( 817 - 481 ) ÷ 481] x 100 = 69.85%
Formula
Percentage change = [(817 - 481) / 481] x 100
Subtract the new number by the original number
817 - 481 = 336
336 ÷ 481 = 0.6985446985446986
0.6985446985446986 x 100 = 69.85%