-3.01% is the change from 997 to 967
Calculation steps:
[( 967 - 997 ) ÷ 997] x 100 = -3.01%
Formula
Percentage change = [(967 - 997) / 997] x 100
Subtract the new number by the original number
967 - 997 = -30
-30 ÷ 997 = -0.03009027081243731
-0.03009027081243731 x 100 = -3.01%