-36.49% is the change from 770 to 489
Calculation steps:
[( 489 - 770 ) ÷ 770] x 100 = -36.49%
Formula
Percentage change = [(489 - 770) / 770] x 100
Subtract the new number by the original number
489 - 770 = -281
-281 ÷ 770 = -0.36493506493506495
-0.36493506493506495 x 100 = -36.49%