896.97% is the change from 66 to 658
Calculation steps:
[( 658 - 66 ) ÷ 66] x 100 = 896.97%
Formula
Percentage change = [(658 - 66) / 66] x 100
Subtract the new number by the original number
658 - 66 = 592
592 ÷ 66 = 8.969696969696969
8.969696969696969 x 100 = 896.97%
Example