5428.57% is the change from 7 to 387
Calculation steps:
[( 387 - 7 ) ÷ 7] x 100 = 5428.57%
Formula
Percentage change = [(387 - 7) / 7] x 100
Subtract the new number by the original number
387 - 7 = 380
380 ÷ 7 = 54.285714285714285
54.285714285714285 x 100 = 5428.57%