-69.41% is the change from 997 to 305
Calculation steps:
[( 305 - 997 ) ÷ 997] x 100 = -69.41%
Formula
Percentage change = [(305 - 997) / 997] x 100
Subtract the new number by the original number
305 - 997 = -692
-692 ÷ 997 = -0.6940822467402207
-0.6940822467402207 x 100 = -69.41%