-21.67% is the change from 992 to 777
Calculation steps:
[( 777 - 992 ) ÷ 992] x 100 = -21.67%
Formula
Percentage change = [(777 - 992) / 992] x 100
Subtract the new number by the original number
777 - 992 = -215
-215 ÷ 992 = -0.21673387096774194
-0.21673387096774194 x 100 = -21.67%