8800% is the change from 7 to 623
Calculation steps:
[( 623 - 7 ) ÷ 7] x 100 = 8800%
Formula
Percentage change = [(623 - 7) / 7] x 100
Subtract the new number by the original number
623 - 7 = 616
616 ÷ 7 = 88
88 x 100 = 8800%
Example