209.21% is the change from 228 to 705
Calculation steps:
[( 705 - 228 ) ÷ 228] x 100 = 209.21%
Formula
Percentage change = [(705 - 228) / 228] x 100
Subtract the new number by the original number
705 - 228 = 477
477 ÷ 228 = 2.0921052631578947
2.0921052631578947 x 100 = 209.21%