715.85% is the change from 82 to 669
Calculation steps:
[( 669 - 82 ) ÷ 82] x 100 = 715.85%
Formula
Percentage change = [(669 - 82) / 82] x 100
Subtract the new number by the original number
669 - 82 = 587
587 ÷ 82 = 7.158536585365853
7.158536585365853 x 100 = 715.85%