-29.99% is the change from 977 to 684
Calculation steps:
[( 684 - 977 ) ÷ 977] x 100 = -29.99%
Formula
Percentage change = [(684 - 977) / 977] x 100
Subtract the new number by the original number
684 - 977 = -293
-293 ÷ 977 = -0.2998976458546571
-0.2998976458546571 x 100 = -29.99%