717.07% is the change from 82 to 670
Calculation steps:
[( 670 - 82 ) ÷ 82] x 100 = 717.07%
Formula
Percentage change = [(670 - 82) / 82] x 100
Subtract the new number by the original number
670 - 82 = 588
588 ÷ 82 = 7.170731707317073
7.170731707317073 x 100 = 717.07%