-97.04% is the change from 778 to 23
Calculation steps:
[( 23 - 778 ) ÷ 778] x 100 = -97.04%
Formula
Percentage change = [(23 - 778) / 778] x 100
Subtract the new number by the original number
23 - 778 = -755
-755 ÷ 778 = -0.9704370179948586
-0.9704370179948586 x 100 = -97.04%