-35.71% is the change from 770 to 495
Calculation steps:
[( 495 - 770 ) ÷ 770] x 100 = -35.71%
Formula
Percentage change = [(495 - 770) / 770] x 100
Subtract the new number by the original number
495 - 770 = -275
-275 ÷ 770 = -0.35714285714285715
-0.35714285714285715 x 100 = -35.71%