-47.7% is the change from 608 to 318
Calculation steps:
[( 318 - 608 ) ÷ 608] x 100 = -47.7%
Formula
Percentage change = [(318 - 608) / 608] x 100
Subtract the new number by the original number
318 - 608 = -290
-290 ÷ 608 = -0.4769736842105263
-0.4769736842105263 x 100 = -47.7%