-3.4% is the change from 970 to 937
Calculation steps:
[( 937 - 970 ) ÷ 970] x 100 = -3.4%
Formula
Percentage change = [(937 - 970) / 970] x 100
Subtract the new number by the original number
937 - 970 = -33
-33 ÷ 970 = -0.03402061855670103
-0.03402061855670103 x 100 = -3.4%