-76.28% is the change from 999 to 237
Calculation steps:
[( 237 - 999 ) ÷ 999] x 100 = -76.28%
Formula
Percentage change = [(237 - 999) / 999] x 100
Subtract the new number by the original number
237 - 999 = -762
-762 ÷ 999 = -0.7627627627627628
-0.7627627627627628 x 100 = -76.28%