-73.25% is the change from 770 to 206
Calculation steps:
[( 206 - 770 ) ÷ 770] x 100 = -73.25%
Formula
Percentage change = [(206 - 770) / 770] x 100
Subtract the new number by the original number
206 - 770 = -564
-564 ÷ 770 = -0.7324675324675325
-0.7324675324675325 x 100 = -73.25%