890.91% is the change from 66 to 654
Calculation steps:
[( 654 - 66 ) ÷ 66] x 100 = 890.91%
Formula
Percentage change = [(654 - 66) / 66] x 100
Subtract the new number by the original number
654 - 66 = 588
588 ÷ 66 = 8.909090909090908
8.909090909090908 x 100 = 890.91%