243.9% is the change from 205 to 705
Calculation steps:
[( 705 - 205 ) ÷ 205] x 100 = 243.9%
Formula
Percentage change = [(705 - 205) / 205] x 100
Subtract the new number by the original number
705 - 205 = 500
500 ÷ 205 = 2.4390243902439024
2.4390243902439024 x 100 = 243.9%