111.34% is the change from 388 to 820
Calculation steps:
[( 820 - 388 ) ÷ 388] x 100 = 111.34%
Formula
Percentage change = [(820 - 388) / 388] x 100
Subtract the new number by the original number
820 - 388 = 432
432 ÷ 388 = 1.1134020618556701
1.1134020618556701 x 100 = 111.34%