-20.76% is the change from 997 to 790
Calculation steps:
[( 790 - 997 ) ÷ 997] x 100 = -20.76%
Formula
Percentage change = [(790 - 997) / 997] x 100
Subtract the new number by the original number
790 - 997 = -207
-207 ÷ 997 = -0.20762286860581744
-0.20762286860581744 x 100 = -20.76%