-13.94% is the change from 997 to 858
Calculation steps:
[( 858 - 997 ) ÷ 997] x 100 = -13.94%
Formula
Percentage change = [(858 - 997) / 997] x 100
Subtract the new number by the original number
858 - 997 = -139
-139 ÷ 997 = -0.13941825476429287
-0.13941825476429287 x 100 = -13.94%