862.86% is the change from 70 to 674
Calculation steps:
[( 674 - 70 ) ÷ 70] x 100 = 862.86%
Formula
Percentage change = [(674 - 70) / 70] x 100
Subtract the new number by the original number
674 - 70 = 604
604 ÷ 70 = 8.628571428571428
8.628571428571428 x 100 = 862.86%