643.9% is the change from 82 to 610
Calculation steps:
[( 610 - 82 ) ÷ 82] x 100 = 643.9%
Formula
Percentage change = [(610 - 82) / 82] x 100
Subtract the new number by the original number
610 - 82 = 528
528 ÷ 82 = 6.439024390243903
6.439024390243903 x 100 = 643.9%