50% is the change from 486 to 729
Calculation steps:
[( 729 - 486 ) ÷ 486] x 100 = 50%
Formula
Percentage change = [(729 - 486) / 486] x 100
Subtract the new number by the original number
729 - 486 = 243
243 ÷ 486 = 0.5
0.5 x 100 = 50%
Example