-73.12% is the change from 770 to 207
Calculation steps:
[( 207 - 770 ) ÷ 770] x 100 = -73.12%
Formula
Percentage change = [(207 - 770) / 770] x 100
Subtract the new number by the original number
207 - 770 = -563
-563 ÷ 770 = -0.7311688311688311
-0.7311688311688311 x 100 = -73.12%