-65.45% is the change from 770 to 266
Calculation steps:
[( 266 - 770 ) ÷ 770] x 100 = -65.45%
Formula
Percentage change = [(266 - 770) / 770] x 100
Subtract the new number by the original number
266 - 770 = -504
-504 ÷ 770 = -0.6545454545454545
-0.6545454545454545 x 100 = -65.45%