-73.49% is the change from 977 to 259
Calculation steps:
[( 259 - 977 ) ÷ 977] x 100 = -73.49%
Formula
Percentage change = [(259 - 977) / 977] x 100
Subtract the new number by the original number
259 - 977 = -718
-718 ÷ 977 = -0.7349027635619243
-0.7349027635619243 x 100 = -73.49%