-64.29% is the change from 994 to 355
Calculation steps:
[( 355 - 994 ) ÷ 994] x 100 = -64.29%
Formula
Percentage change = [(355 - 994) / 994] x 100
Subtract the new number by the original number
355 - 994 = -639
-639 ÷ 994 = -0.6428571428571429
-0.6428571428571429 x 100 = -64.29%