849.3% is the change from 71 to 674
Calculation steps:
[( 674 - 71 ) ÷ 71] x 100 = 849.3%
Formula
Percentage change = [(674 - 71) / 71] x 100
Subtract the new number by the original number
674 - 71 = 603
603 ÷ 71 = 8.492957746478874
8.492957746478874 x 100 = 849.3%