270.48% is the change from 105 to 389
Calculation steps:
[( 389 - 105 ) ÷ 105] x 100 = 270.48%
Formula
Percentage change = [(389 - 105) / 105] x 100
Subtract the new number by the original number
389 - 105 = 284
284 ÷ 105 = 2.704761904761905
2.704761904761905 x 100 = 270.48%