-19.24% is the change from 977 to 789
Calculation steps:
[( 789 - 977 ) ÷ 977] x 100 = -19.24%
Formula
Percentage change = [(789 - 977) / 977] x 100
Subtract the new number by the original number
789 - 977 = -188
-188 ÷ 977 = -0.19242579324462641
-0.19242579324462641 x 100 = -19.24%