665.79% is the change from 38 to 291
Calculation steps:
[( 291 - 38 ) ÷ 38] x 100 = 665.79%
Formula
Percentage change = [(291 - 38) / 38] x 100
Subtract the new number by the original number
291 - 38 = 253
253 ÷ 38 = 6.657894736842105
6.657894736842105 x 100 = 665.79%