-52.44% is the change from 656 to 312
Calculation steps:
[( 312 - 656 ) ÷ 656] x 100 = -52.44%
Formula
Percentage change = [(312 - 656) / 656] x 100
Subtract the new number by the original number
312 - 656 = -344
-344 ÷ 656 = -0.524390243902439
-0.524390243902439 x 100 = -52.44%