8900% is the change from 7 to 630
Calculation steps:
[( 630 - 7 ) ÷ 7] x 100 = 8900%
Formula
Percentage change = [(630 - 7) / 7] x 100
Subtract the new number by the original number
630 - 7 = 623
623 ÷ 7 = 89
89 x 100 = 8900%
Example