306.13% is the change from 212 to 861
Calculation steps:
[( 861 - 212 ) ÷ 212] x 100 = 306.13%
Formula
Percentage change = [(861 - 212) / 212] x 100
Subtract the new number by the original number
861 - 212 = 649
649 ÷ 212 = 3.061320754716981
3.061320754716981 x 100 = 306.13%