-74.31% is the change from 977 to 251
Calculation steps:
[( 251 - 977 ) ÷ 977] x 100 = -74.31%
Formula
Percentage change = [(251 - 977) / 977] x 100
Subtract the new number by the original number
251 - 977 = -726
-726 ÷ 977 = -0.7430910951893551
-0.7430910951893551 x 100 = -74.31%