-67.96% is the change from 983 to 315
Calculation steps:
[( 315 - 983 ) ÷ 983] x 100 = -67.96%
Formula
Percentage change = [(315 - 983) / 983] x 100
Subtract the new number by the original number
315 - 983 = -668
-668 ÷ 983 = -0.6795523906408952
-0.6795523906408952 x 100 = -67.96%