-72.32% is the change from 997 to 276
Calculation steps:
[( 276 - 997 ) ÷ 997] x 100 = -72.32%
Formula
Percentage change = [(276 - 997) / 997] x 100
Subtract the new number by the original number
276 - 997 = -721
-721 ÷ 997 = -0.7231695085255767
-0.7231695085255767 x 100 = -72.32%