-59.9% is the change from 763 to 306
Calculation steps:
[( 306 - 763 ) ÷ 763] x 100 = -59.9%
Formula
Percentage change = [(306 - 763) / 763] x 100
Subtract the new number by the original number
306 - 763 = -457
-457 ÷ 763 = -0.598951507208388
-0.598951507208388 x 100 = -59.9%