120.77% is the change from 390 to 861
Calculation steps:
[( 861 - 390 ) ÷ 390] x 100 = 120.77%
Formula
Percentage change = [(861 - 390) / 390] x 100
Subtract the new number by the original number
861 - 390 = 471
471 ÷ 390 = 1.2076923076923076
1.2076923076923076 x 100 = 120.77%