122.56% is the change from 390 to 868
Calculation steps:
[( 868 - 390 ) ÷ 390] x 100 = 122.56%
Formula
Percentage change = [(868 - 390) / 390] x 100
Subtract the new number by the original number
868 - 390 = 478
478 ÷ 390 = 1.2256410256410257
1.2256410256410257 x 100 = 122.56%