-3.51% is the change from 997 to 962
Calculation steps:
[( 962 - 997 ) ÷ 997] x 100 = -3.51%
Formula
Percentage change = [(962 - 997) / 997] x 100
Subtract the new number by the original number
962 - 997 = -35
-35 ÷ 997 = -0.03510531594784353
-0.03510531594784353 x 100 = -3.51%