-3.17% is the change from 977 to 946
Calculation steps:
[( 946 - 977 ) ÷ 977] x 100 = -3.17%
Formula
Percentage change = [(946 - 977) / 977] x 100
Subtract the new number by the original number
946 - 977 = -31
-31 ÷ 977 = -0.03172978505629478
-0.03172978505629478 x 100 = -3.17%