-76.06% is the change from 990 to 237
Calculation steps:
[( 237 - 990 ) ÷ 990] x 100 = -76.06%
Formula
Percentage change = [(237 - 990) / 990] x 100
Subtract the new number by the original number
237 - 990 = -753
-753 ÷ 990 = -0.7606060606060606
-0.7606060606060606 x 100 = -76.06%