-67.7% is the change from 997 to 322
Calculation steps:
[( 322 - 997 ) ÷ 997] x 100 = -67.7%
Formula
Percentage change = [(322 - 997) / 997] x 100
Subtract the new number by the original number
322 - 997 = -675
-675 ÷ 997 = -0.6770310932798396
-0.6770310932798396 x 100 = -67.7%