695.24% is the change from 84 to 668
Calculation steps:
[( 668 - 84 ) ÷ 84] x 100 = 695.24%
Formula
Percentage change = [(668 - 84) / 84] x 100
Subtract the new number by the original number
668 - 84 = 584
584 ÷ 84 = 6.9523809523809526
6.9523809523809526 x 100 = 695.24%