691.46% is the change from 82 to 649
Calculation steps:
[( 649 - 82 ) ÷ 82] x 100 = 691.46%
Formula
Percentage change = [(649 - 82) / 82] x 100
Subtract the new number by the original number
649 - 82 = 567
567 ÷ 82 = 6.914634146341464
6.914634146341464 x 100 = 691.46%