-19.86% is the change from 977 to 783
Calculation steps:
[( 783 - 977 ) ÷ 977] x 100 = -19.86%
Formula
Percentage change = [(783 - 977) / 977] x 100
Subtract the new number by the original number
783 - 977 = -194
-194 ÷ 977 = -0.1985670419651996
-0.1985670419651996 x 100 = -19.86%