50% is the change from 386 to 579
Calculation steps:
[( 579 - 386 ) ÷ 386] x 100 = 50%
Formula
Percentage change = [(579 - 386) / 386] x 100
Subtract the new number by the original number
579 - 386 = 193
193 ÷ 386 = 0.5
0.5 x 100 = 50%
Example