-48.61% is the change from 613 to 315
Calculation steps:
[( 315 - 613 ) ÷ 613] x 100 = -48.61%
Formula
Percentage change = [(315 - 613) / 613] x 100
Subtract the new number by the original number
315 - 613 = -298
-298 ÷ 613 = -0.48613376835236544
-0.48613376835236544 x 100 = -48.61%