81.3% is the change from 476 to 863
Calculation steps:
[( 863 - 476 ) ÷ 476] x 100 = 81.3%
Formula
Percentage change = [(863 - 476) / 476] x 100
Subtract the new number by the original number
863 - 476 = 387
387 ÷ 476 = 0.8130252100840336
0.8130252100840336 x 100 = 81.3%