83.86% is the change from 477 to 877
Calculation steps:
[( 877 - 477 ) ÷ 477] x 100 = 83.86%
Formula
Percentage change = [(877 - 477) / 477] x 100
Subtract the new number by the original number
877 - 477 = 400
400 ÷ 477 = 0.8385744234800838
0.8385744234800838 x 100 = 83.86%