396.15% is the change from 78 to 387
Calculation steps:
[( 387 - 78 ) ÷ 78] x 100 = 396.15%
Formula
Percentage change = [(387 - 78) / 78] x 100
Subtract the new number by the original number
387 - 78 = 309
309 ÷ 78 = 3.9615384615384617
3.9615384615384617 x 100 = 396.15%