-34.28% is the change from 986 to 648
Calculation steps:
[( 648 - 986 ) ÷ 986] x 100 = -34.28%
Formula
Percentage change = [(648 - 986) / 986] x 100
Subtract the new number by the original number
648 - 986 = -338
-338 ÷ 986 = -0.34279918864097364
-0.34279918864097364 x 100 = -34.28%