278.1% is the change from 210 to 794
Calculation steps:
[( 794 - 210 ) ÷ 210] x 100 = 278.1%
Formula
Percentage change = [(794 - 210) / 210] x 100
Subtract the new number by the original number
794 - 210 = 584
584 ÷ 210 = 2.780952380952381
2.780952380952381 x 100 = 278.1%