-66.08% is the change from 908 to 308
Calculation steps:
[( 308 - 908 ) ÷ 908] x 100 = -66.08%
Formula
Percentage change = [(308 - 908) / 908] x 100
Subtract the new number by the original number
308 - 908 = -600
-600 ÷ 908 = -0.6607929515418502
-0.6607929515418502 x 100 = -66.08%