702.38% is the change from 84 to 674
Calculation steps:
[( 674 - 84 ) ÷ 84] x 100 = 702.38%
Formula
Percentage change = [(674 - 84) / 84] x 100
Subtract the new number by the original number
674 - 84 = 590
590 ÷ 84 = 7.023809523809524
7.023809523809524 x 100 = 702.38%