-81.14% is the change from 997 to 188
Calculation steps:
[( 188 - 997 ) ÷ 997] x 100 = -81.14%
Formula
Percentage change = [(188 - 997) / 997] x 100
Subtract the new number by the original number
188 - 997 = -809
-809 ÷ 997 = -0.8114343029087262
-0.8114343029087262 x 100 = -81.14%