120.72% is the change from 391 to 863
Calculation steps:
[( 863 - 391 ) ÷ 391] x 100 = 120.72%
Formula
Percentage change = [(863 - 391) / 391] x 100
Subtract the new number by the original number
863 - 391 = 472
472 ÷ 391 = 1.207161125319693
1.207161125319693 x 100 = 120.72%