-3.41% is the change from 997 to 963
Calculation steps:
[( 963 - 997 ) ÷ 997] x 100 = -3.41%
Formula
Percentage change = [(963 - 997) / 997] x 100
Subtract the new number by the original number
963 - 997 = -34
-34 ÷ 997 = -0.034102306920762285
-0.034102306920762285 x 100 = -3.41%