-14.23% is the change from 977 to 838
Calculation steps:
[( 838 - 977 ) ÷ 977] x 100 = -14.23%
Formula
Percentage change = [(838 - 977) / 977] x 100
Subtract the new number by the original number
838 - 977 = -139
-139 ÷ 977 = -0.14227226202661208
-0.14227226202661208 x 100 = -14.23%