-2.25% is the change from 977 to 955
Calculation steps:
[( 955 - 977 ) ÷ 977] x 100 = -2.25%
Formula
Percentage change = [(955 - 977) / 977] x 100
Subtract the new number by the original number
955 - 977 = -22
-22 ÷ 977 = -0.022517911975435005
-0.022517911975435005 x 100 = -2.25%