297.66% is the change from 214 to 851
Calculation steps:
[( 851 - 214 ) ÷ 214] x 100 = 297.66%
Formula
Percentage change = [(851 - 214) / 214] x 100
Subtract the new number by the original number
851 - 214 = 637
637 ÷ 214 = 2.9766355140186915
2.9766355140186915 x 100 = 297.66%