-79.78% is the change from 989 to 200
Calculation steps:
[( 200 - 989 ) ÷ 989] x 100 = -79.78%
Formula
Percentage change = [(200 - 989) / 989] x 100
Subtract the new number by the original number
200 - 989 = -789
-789 ÷ 989 = -0.7977755308392316
-0.7977755308392316 x 100 = -79.78%