645.45% is the change from 11 to 82
Calculation steps:
[( 82 - 11 ) ÷ 11] x 100 = 645.45%
Formula
Percentage change = [(82 - 11) / 11] x 100
Subtract the new number by the original number
82 - 11 = 71
71 ÷ 11 = 6.454545454545454
6.454545454545454 x 100 = 645.45%