-57.27% is the change from 908 to 388
Calculation steps:
[( 388 - 908 ) ÷ 908] x 100 = -57.27%
Formula
Percentage change = [(388 - 908) / 908] x 100
Subtract the new number by the original number
388 - 908 = -520
-520 ÷ 908 = -0.5726872246696035
-0.5726872246696035 x 100 = -57.27%