307.89% is the change from 38 to 155
Calculation steps:
[( 155 - 38 ) ÷ 38] x 100 = 307.89%
Formula
Percentage change = [(155 - 38) / 38] x 100
Subtract the new number by the original number
155 - 38 = 117
117 ÷ 38 = 3.0789473684210527
3.0789473684210527 x 100 = 307.89%