81.8% is the change from 478 to 869
Calculation steps:
[( 869 - 478 ) ÷ 478] x 100 = 81.8%
Formula
Percentage change = [(869 - 478) / 478] x 100
Subtract the new number by the original number
869 - 478 = 391
391 ÷ 478 = 0.8179916317991632
0.8179916317991632 x 100 = 81.8%