77.82% is the change from 478 to 850
Calculation steps:
[( 850 - 478 ) ÷ 478] x 100 = 77.82%
Formula
Percentage change = [(850 - 478) / 478] x 100
Subtract the new number by the original number
850 - 478 = 372
372 ÷ 478 = 0.7782426778242678
0.7782426778242678 x 100 = 77.82%