297.64% is the change from 212 to 843
Calculation steps:
[( 843 - 212 ) ÷ 212] x 100 = 297.64%
Formula
Percentage change = [(843 - 212) / 212] x 100
Subtract the new number by the original number
843 - 212 = 631
631 ÷ 212 = 2.9764150943396226
2.9764150943396226 x 100 = 297.64%