-81.05% is the change from 992 to 188
Calculation steps:
[( 188 - 992 ) ÷ 992] x 100 = -81.05%
Formula
Percentage change = [(188 - 992) / 992] x 100
Subtract the new number by the original number
188 - 992 = -804
-804 ÷ 992 = -0.8104838709677419
-0.8104838709677419 x 100 = -81.05%