705.26% is the change from 38 to 306
Calculation steps:
[( 306 - 38 ) ÷ 38] x 100 = 705.26%
Formula
Percentage change = [(306 - 38) / 38] x 100
Subtract the new number by the original number
306 - 38 = 268
268 ÷ 38 = 7.052631578947368
7.052631578947368 x 100 = 705.26%