800% is the change from 69 to 621
Calculation steps:
[( 621 - 69 ) ÷ 69] x 100 = 800%
Formula
Percentage change = [(621 - 69) / 69] x 100
Subtract the new number by the original number
621 - 69 = 552
552 ÷ 69 = 8
8 x 100 = 800%
Example