-51.98% is the change from 656 to 315
Calculation steps:
[( 315 - 656 ) ÷ 656] x 100 = -51.98%
Formula
Percentage change = [(315 - 656) / 656] x 100
Subtract the new number by the original number
315 - 656 = -341
-341 ÷ 656 = -0.5198170731707317
-0.5198170731707317 x 100 = -51.98%