-34.08% is the change from 983 to 648
Calculation steps:
[( 648 - 983 ) ÷ 983] x 100 = -34.08%
Formula
Percentage change = [(648 - 983) / 983] x 100
Subtract the new number by the original number
648 - 983 = -335
-335 ÷ 983 = -0.340793489318413
-0.340793489318413 x 100 = -34.08%