389.87% is the change from 79 to 387
Calculation steps:
[( 387 - 79 ) ÷ 79] x 100 = 389.87%
Formula
Percentage change = [(387 - 79) / 79] x 100
Subtract the new number by the original number
387 - 79 = 308
308 ÷ 79 = 3.8987341772151898
3.8987341772151898 x 100 = 389.87%