-7.98% is the change from 977 to 899
Calculation steps:
[( 899 - 977 ) ÷ 977] x 100 = -7.98%
Formula
Percentage change = [(899 - 977) / 977] x 100
Subtract the new number by the original number
899 - 977 = -78
-78 ÷ 977 = -0.07983623336745138
-0.07983623336745138 x 100 = -7.98%