-60% is the change from 765 to 306
Calculation steps:
[( 306 - 765 ) ÷ 765] x 100 = -60%
Formula
Percentage change = [(306 - 765) / 765] x 100
Subtract the new number by the original number
306 - 765 = -459
-459 ÷ 765 = -0.6
-0.6 x 100 = -60%
Example