-81.43% is the change from 991 to 184
Calculation steps:
[( 184 - 991 ) ÷ 991] x 100 = -81.43%
Formula
Percentage change = [(184 - 991) / 991] x 100
Subtract the new number by the original number
184 - 991 = -807
-807 ÷ 991 = -0.8143289606458123
-0.8143289606458123 x 100 = -81.43%