-87% is the change from 777 to 101
Calculation steps:
[( 101 - 777 ) ÷ 777] x 100 = -87%
Formula
Percentage change = [(101 - 777) / 777] x 100
Subtract the new number by the original number
101 - 777 = -676
-676 ÷ 777 = -0.87001287001287
-0.87001287001287 x 100 = -87%