-1.74% is the change from 977 to 960
Calculation steps:
[( 960 - 977 ) ÷ 977] x 100 = -1.74%
Formula
Percentage change = [(960 - 977) / 977] x 100
Subtract the new number by the original number
960 - 977 = -17
-17 ÷ 977 = -0.017400204708290685
-0.017400204708290685 x 100 = -1.74%