-31.39% is the change from 997 to 684
Calculation steps:
[( 684 - 997 ) ÷ 997] x 100 = -31.39%
Formula
Percentage change = [(684 - 997) / 997] x 100
Subtract the new number by the original number
684 - 997 = -313
-313 ÷ 997 = -0.3139418254764293
-0.3139418254764293 x 100 = -31.39%