-31.22% is the change from 977 to 672
Calculation steps:
[( 672 - 977 ) ÷ 977] x 100 = -31.22%
Formula
Percentage change = [(672 - 977) / 977] x 100
Subtract the new number by the original number
672 - 977 = -305
-305 ÷ 977 = -0.31218014329580346
-0.31218014329580346 x 100 = -31.22%