39.53% is the change from 506 to 706
Calculation steps:
[( 706 - 506 ) ÷ 506] x 100 = 39.53%
Formula
Percentage change = [(706 - 506) / 506] x 100
Subtract the new number by the original number
706 - 506 = 200
200 ÷ 506 = 0.3952569169960474
0.3952569169960474 x 100 = 39.53%