83.47% is the change from 478 to 877
Calculation steps:
[( 877 - 478 ) ÷ 478] x 100 = 83.47%
Formula
Percentage change = [(877 - 478) / 478] x 100
Subtract the new number by the original number
877 - 478 = 399
399 ÷ 478 = 0.8347280334728033
0.8347280334728033 x 100 = 83.47%