107.99% is the change from 388 to 807
Calculation steps:
[( 807 - 388 ) ÷ 388] x 100 = 107.99%
Formula
Percentage change = [(807 - 388) / 388] x 100
Subtract the new number by the original number
807 - 388 = 419
419 ÷ 388 = 1.0798969072164948
1.0798969072164948 x 100 = 107.99%