-67.99% is the change from 984 to 315
Calculation steps:
[( 315 - 984 ) ÷ 984] x 100 = -67.99%
Formula
Percentage change = [(315 - 984) / 984] x 100
Subtract the new number by the original number
315 - 984 = -669
-669 ÷ 984 = -0.6798780487804879
-0.6798780487804879 x 100 = -67.99%