71.88% is the change from 384 to 660
Calculation steps:
[( 660 - 384 ) ÷ 384] x 100 = 71.88%
Formula
Percentage change = [(660 - 384) / 384] x 100
Subtract the new number by the original number
660 - 384 = 276
276 ÷ 384 = 0.71875
0.71875 x 100 = 71.88%