297.16% is the change from 211 to 838
Calculation steps:
[( 838 - 211 ) ÷ 211] x 100 = 297.16%
Formula
Percentage change = [(838 - 211) / 211] x 100
Subtract the new number by the original number
838 - 211 = 627
627 ÷ 211 = 2.971563981042654
2.971563981042654 x 100 = 297.16%