-51.75% is the change from 659 to 318
Calculation steps:
[( 318 - 659 ) ÷ 659] x 100 = -51.75%
Formula
Percentage change = [(318 - 659) / 659] x 100
Subtract the new number by the original number
318 - 659 = -341
-341 ÷ 659 = -0.5174506828528073
-0.5174506828528073 x 100 = -51.75%