299.53% is the change from 214 to 855
Calculation steps:
[( 855 - 214 ) ÷ 214] x 100 = 299.53%
Formula
Percentage change = [(855 - 214) / 214] x 100
Subtract the new number by the original number
855 - 214 = 641
641 ÷ 214 = 2.9953271028037385
2.9953271028037385 x 100 = 299.53%