295.05% is the change from 101 to 399
Calculation steps:
[( 399 - 101 ) ÷ 101] x 100 = 295.05%
Formula
Percentage change = [(399 - 101) / 101] x 100
Subtract the new number by the original number
399 - 101 = 298
298 ÷ 101 = 2.9504950495049505
2.9504950495049505 x 100 = 295.05%