126.87% is the change from 387 to 878
Calculation steps:
[( 878 - 387 ) ÷ 387] x 100 = 126.87%
Formula
Percentage change = [(878 - 387) / 387] x 100
Subtract the new number by the original number
878 - 387 = 491
491 ÷ 387 = 1.268733850129199
1.268733850129199 x 100 = 126.87%