1014.29% is the change from 7 to 78
Calculation steps:
[( 78 - 7 ) ÷ 7] x 100 = 1014.29%
Formula
Percentage change = [(78 - 7) / 7] x 100
Subtract the new number by the original number
78 - 7 = 71
71 ÷ 7 = 10.142857142857142
10.142857142857142 x 100 = 1014.29%