-51.85% is the change from 650 to 313
Calculation steps:
[( 313 - 650 ) ÷ 650] x 100 = -51.85%
Formula
Percentage change = [(313 - 650) / 650] x 100
Subtract the new number by the original number
313 - 650 = -337
-337 ÷ 650 = -0.5184615384615384
-0.5184615384615384 x 100 = -51.85%