839.13% is the change from 69 to 648
Calculation steps:
[( 648 - 69 ) ÷ 69] x 100 = 839.13%
Formula
Percentage change = [(648 - 69) / 69] x 100
Subtract the new number by the original number
648 - 69 = 579
579 ÷ 69 = 8.391304347826088
8.391304347826088 x 100 = 839.13%