114.36% is the change from 390 to 836
Calculation steps:
[( 836 - 390 ) ÷ 390] x 100 = 114.36%
Formula
Percentage change = [(836 - 390) / 390] x 100
Subtract the new number by the original number
836 - 390 = 446
446 ÷ 390 = 1.1435897435897435
1.1435897435897435 x 100 = 114.36%