707.23% is the change from 83 to 670
Calculation steps:
[( 670 - 83 ) ÷ 83] x 100 = 707.23%
Formula
Percentage change = [(670 - 83) / 83] x 100
Subtract the new number by the original number
670 - 83 = 587
587 ÷ 83 = 7.072289156626506
7.072289156626506 x 100 = 707.23%