-92.08% is the change from 770 to 61
Calculation steps:
[( 61 - 770 ) ÷ 770] x 100 = -92.08%
Formula
Percentage change = [(61 - 770) / 770] x 100
Subtract the new number by the original number
61 - 770 = -709
-709 ÷ 770 = -0.9207792207792208
-0.9207792207792208 x 100 = -92.08%