-46.61% is the change from 590 to 315
Calculation steps:
[( 315 - 590 ) ÷ 590] x 100 = -46.61%
Formula
Percentage change = [(315 - 590) / 590] x 100
Subtract the new number by the original number
315 - 590 = -275
-275 ÷ 590 = -0.4661016949152542
-0.4661016949152542 x 100 = -46.61%