721.43% is the change from 84 to 690
Calculation steps:
[( 690 - 84 ) ÷ 84] x 100 = 721.43%
Formula
Percentage change = [(690 - 84) / 84] x 100
Subtract the new number by the original number
690 - 84 = 606
606 ÷ 84 = 7.214285714285714
7.214285714285714 x 100 = 721.43%