1157.14% is the change from 7 to 88
Calculation steps:
[( 88 - 7 ) ÷ 7] x 100 = 1157.14%
Formula
Percentage change = [(88 - 7) / 7] x 100
Subtract the new number by the original number
88 - 7 = 81
81 ÷ 7 = 11.571428571428571
11.571428571428571 x 100 = 1157.14%