-34.92% is the change from 985 to 641
Calculation steps:
[( 641 - 985 ) ÷ 985] x 100 = -34.92%
Formula
Percentage change = [(641 - 985) / 985] x 100
Subtract the new number by the original number
641 - 985 = -344
-344 ÷ 985 = -0.349238578680203
-0.349238578680203 x 100 = -34.92%