-6.65% is the change from 977 to 912
Calculation steps:
[( 912 - 977 ) ÷ 977] x 100 = -6.65%
Formula
Percentage change = [(912 - 977) / 977] x 100
Subtract the new number by the original number
912 - 977 = -65
-65 ÷ 977 = -0.06653019447287616
-0.06653019447287616 x 100 = -6.65%