298.13% is the change from 214 to 852
Calculation steps:
[( 852 - 214 ) ÷ 214] x 100 = 298.13%
Formula
Percentage change = [(852 - 214) / 214] x 100
Subtract the new number by the original number
852 - 214 = 638
638 ÷ 214 = 2.9813084112149535
2.9813084112149535 x 100 = 298.13%