828.57% is the change from 7 to 65
Calculation steps:
[( 65 - 7 ) ÷ 7] x 100 = 828.57%
Formula
Percentage change = [(65 - 7) / 7] x 100
Subtract the new number by the original number
65 - 7 = 58
58 ÷ 7 = 8.285714285714286
8.285714285714286 x 100 = 828.57%