-69.51% is the change from 997 to 304
Calculation steps:
[( 304 - 997 ) ÷ 997] x 100 = -69.51%
Formula
Percentage change = [(304 - 997) / 997] x 100
Subtract the new number by the original number
304 - 997 = -693
-693 ÷ 997 = -0.695085255767302
-0.695085255767302 x 100 = -69.51%