269.74% is the change from 228 to 843
Calculation steps:
[( 843 - 228 ) ÷ 228] x 100 = 269.74%
Formula
Percentage change = [(843 - 228) / 228] x 100
Subtract the new number by the original number
843 - 228 = 615
615 ÷ 228 = 2.6973684210526314
2.6973684210526314 x 100 = 269.74%