71.07% is the change from 477 to 816
Calculation steps:
[( 816 - 477 ) ÷ 477] x 100 = 71.07%
Formula
Percentage change = [(816 - 477) / 477] x 100
Subtract the new number by the original number
816 - 477 = 339
339 ÷ 477 = 0.710691823899371
0.710691823899371 x 100 = 71.07%