80.85% is the change from 470 to 850
Calculation steps:
[( 850 - 470 ) ÷ 470] x 100 = 80.85%
Formula
Percentage change = [(850 - 470) / 470] x 100
Subtract the new number by the original number
850 - 470 = 380
380 ÷ 470 = 0.8085106382978723
0.8085106382978723 x 100 = 80.85%