295.26% is the change from 211 to 834
Calculation steps:
[( 834 - 211 ) ÷ 211] x 100 = 295.26%
Formula
Percentage change = [(834 - 211) / 211] x 100
Subtract the new number by the original number
834 - 211 = 623
623 ÷ 211 = 2.9526066350710902
2.9526066350710902 x 100 = 295.26%