886.36% is the change from 66 to 651
Calculation steps:
[( 651 - 66 ) ÷ 66] x 100 = 886.36%
Formula
Percentage change = [(651 - 66) / 66] x 100
Subtract the new number by the original number
651 - 66 = 585
585 ÷ 66 = 8.863636363636363
8.863636363636363 x 100 = 886.36%