-61.52% is the change from 990 to 381
Calculation steps:
[( 381 - 990 ) ÷ 990] x 100 = -61.52%
Formula
Percentage change = [(381 - 990) / 990] x 100
Subtract the new number by the original number
381 - 990 = -609
-609 ÷ 990 = -0.6151515151515151
-0.6151515151515151 x 100 = -61.52%