1328.57% is the change from 7 to 100
Calculation steps:
[( 100 - 7 ) ÷ 7] x 100 = 1328.57%
Formula
Percentage change = [(100 - 7) / 7] x 100
Subtract the new number by the original number
100 - 7 = 93
93 ÷ 7 = 13.285714285714286
13.285714285714286 x 100 = 1328.57%