1300% is the change from 7 to 98
Calculation steps:
[( 98 - 7 ) ÷ 7] x 100 = 1300%
Formula
Percentage change = [(98 - 7) / 7] x 100
Subtract the new number by the original number
98 - 7 = 91
91 ÷ 7 = 13
13 x 100 = 1300%
Example