-76.53% is the change from 997 to 234
Calculation steps:
[( 234 - 997 ) ÷ 997] x 100 = -76.53%
Formula
Percentage change = [(234 - 997) / 997] x 100
Subtract the new number by the original number
234 - 997 = -763
-763 ÷ 997 = -0.765295887662989
-0.765295887662989 x 100 = -76.53%