-97.04% is the change from 777 to 23
Calculation steps:
[( 23 - 777 ) ÷ 777] x 100 = -97.04%
Formula
Percentage change = [(23 - 777) / 777] x 100
Subtract the new number by the original number
23 - 777 = -754
-754 ÷ 777 = -0.9703989703989704
-0.9703989703989704 x 100 = -97.04%