318.1% is the change from 210 to 878
Calculation steps:
[( 878 - 210 ) ÷ 210] x 100 = 318.1%
Formula
Percentage change = [(878 - 210) / 210] x 100
Subtract the new number by the original number
878 - 210 = 668
668 ÷ 210 = 3.1809523809523808
3.1809523809523808 x 100 = 318.1%