142.86% is the change from 7 to 17
Calculation steps:
[( 17 - 7 ) ÷ 7] x 100 = 142.86%
Formula
Percentage change = [(17 - 7) / 7] x 100
Subtract the new number by the original number
17 - 7 = 10
10 ÷ 7 = 1.4285714285714286
1.4285714285714286 x 100 = 142.86%