-19.45% is the change from 977 to 787
Calculation steps:
[( 787 - 977 ) ÷ 977] x 100 = -19.45%
Formula
Percentage change = [(787 - 977) / 977] x 100
Subtract the new number by the original number
787 - 977 = -190
-190 ÷ 977 = -0.19447287615148415
-0.19447287615148415 x 100 = -19.45%