321.5% is the change from 214 to 902
Calculation steps:
[( 902 - 214 ) ÷ 214] x 100 = 321.5%
Formula
Percentage change = [(902 - 214) / 214] x 100
Subtract the new number by the original number
902 - 214 = 688
688 ÷ 214 = 3.2149532710280373
3.2149532710280373 x 100 = 321.5%