-18.36% is the change from 997 to 814
Calculation steps:
[( 814 - 997 ) ÷ 997] x 100 = -18.36%
Formula
Percentage change = [(814 - 997) / 997] x 100
Subtract the new number by the original number
814 - 997 = -183
-183 ÷ 997 = -0.18355065195586762
-0.18355065195586762 x 100 = -18.36%