-64.04% is the change from 990 to 356
Calculation steps:
[( 356 - 990 ) ÷ 990] x 100 = -64.04%
Formula
Percentage change = [(356 - 990) / 990] x 100
Subtract the new number by the original number
356 - 990 = -634
-634 ÷ 990 = -0.6404040404040404
-0.6404040404040404 x 100 = -64.04%