9285.71% is the change from 7 to 657
Calculation steps:
[( 657 - 7 ) ÷ 7] x 100 = 9285.71%
Formula
Percentage change = [(657 - 7) / 7] x 100
Subtract the new number by the original number
657 - 7 = 650
650 ÷ 7 = 92.85714285714286
92.85714285714286 x 100 = 9285.71%