299.53% is the change from 211 to 843
Calculation steps:
[( 843 - 211 ) ÷ 211] x 100 = 299.53%
Formula
Percentage change = [(843 - 211) / 211] x 100
Subtract the new number by the original number
843 - 211 = 632
632 ÷ 211 = 2.995260663507109
2.995260663507109 x 100 = 299.53%