389.8% is the change from 49 to 240
Calculation steps:
[( 240 - 49 ) ÷ 49] x 100 = 389.8%
Formula
Percentage change = [(240 - 49) / 49] x 100
Subtract the new number by the original number
240 - 49 = 191
191 ÷ 49 = 3.8979591836734695
3.8979591836734695 x 100 = 389.8%