310.28% is the change from 214 to 878
Calculation steps:
[( 878 - 214 ) ÷ 214] x 100 = 310.28%
Formula
Percentage change = [(878 - 214) / 214] x 100
Subtract the new number by the original number
878 - 214 = 664
664 ÷ 214 = 3.102803738317757
3.102803738317757 x 100 = 310.28%