130.72% is the change from 306 to 706
Calculation steps:
[( 706 - 306 ) ÷ 306] x 100 = 130.72%
Formula
Percentage change = [(706 - 306) / 306] x 100
Subtract the new number by the original number
706 - 306 = 400
400 ÷ 306 = 1.3071895424836601
1.3071895424836601 x 100 = 130.72%