294.39% is the change from 214 to 844
Calculation steps:
[( 844 - 214 ) ÷ 214] x 100 = 294.39%
Formula
Percentage change = [(844 - 214) / 214] x 100
Subtract the new number by the original number
844 - 214 = 630
630 ÷ 214 = 2.94392523364486
2.94392523364486 x 100 = 294.39%