-95.97% is the change from 770 to 31
Calculation steps:
[( 31 - 770 ) ÷ 770] x 100 = -95.97%
Formula
Percentage change = [(31 - 770) / 770] x 100
Subtract the new number by the original number
31 - 770 = -739
-739 ÷ 770 = -0.9597402597402598
-0.9597402597402598 x 100 = -95.97%