-81.04% is the change from 997 to 189
Calculation steps:
[( 189 - 997 ) ÷ 997] x 100 = -81.04%
Formula
Percentage change = [(189 - 997) / 997] x 100
Subtract the new number by the original number
189 - 997 = -808
-808 ÷ 997 = -0.8104312938816449
-0.8104312938816449 x 100 = -81.04%