46.3% is the change from 581 to 850
Calculation steps:
[( 850 - 581 ) ÷ 581] x 100 = 46.3%
Formula
Percentage change = [(850 - 581) / 581] x 100
Subtract the new number by the original number
850 - 581 = 269
269 ÷ 581 = 0.4629948364888124
0.4629948364888124 x 100 = 46.3%