-6.76% is the change from 977 to 911
Calculation steps:
[( 911 - 977 ) ÷ 977] x 100 = -6.76%
Formula
Percentage change = [(911 - 977) / 977] x 100
Subtract the new number by the original number
911 - 977 = -66
-66 ÷ 977 = -0.06755373592630501
-0.06755373592630501 x 100 = -6.76%