-74.62% is the change from 977 to 248
Calculation steps:
[( 248 - 977 ) ÷ 977] x 100 = -74.62%
Formula
Percentage change = [(248 - 977) / 977] x 100
Subtract the new number by the original number
248 - 977 = -729
-729 ÷ 977 = -0.7461617195496417
-0.7461617195496417 x 100 = -74.62%