-2.87% is the change from 977 to 949
Calculation steps:
[( 949 - 977 ) ÷ 977] x 100 = -2.87%
Formula
Percentage change = [(949 - 977) / 977] x 100
Subtract the new number by the original number
949 - 977 = -28
-28 ÷ 977 = -0.028659160696008188
-0.028659160696008188 x 100 = -2.87%