110.05% is the change from 388 to 815
Calculation steps:
[( 815 - 388 ) ÷ 388] x 100 = 110.05%
Formula
Percentage change = [(815 - 388) / 388] x 100
Subtract the new number by the original number
815 - 388 = 427
427 ÷ 388 = 1.1005154639175259
1.1005154639175259 x 100 = 110.05%