114.62% is the change from 390 to 837
Calculation steps:
[( 837 - 390 ) ÷ 390] x 100 = 114.62%
Formula
Percentage change = [(837 - 390) / 390] x 100
Subtract the new number by the original number
837 - 390 = 447
447 ÷ 390 = 1.146153846153846
1.146153846153846 x 100 = 114.62%