-72.99% is the change from 770 to 208
Calculation steps:
[( 208 - 770 ) ÷ 770] x 100 = -72.99%
Formula
Percentage change = [(208 - 770) / 770] x 100
Subtract the new number by the original number
208 - 770 = -562
-562 ÷ 770 = -0.7298701298701299
-0.7298701298701299 x 100 = -72.99%