-3.2% is the change from 968 to 937
Calculation steps:
[( 937 - 968 ) ÷ 968] x 100 = -3.2%
Formula
Percentage change = [(937 - 968) / 968] x 100
Subtract the new number by the original number
937 - 968 = -31
-31 ÷ 968 = -0.03202479338842975
-0.03202479338842975 x 100 = -3.2%