-60.05% is the change from 766 to 306
Calculation steps:
[( 306 - 766 ) ÷ 766] x 100 = -60.05%
Formula
Percentage change = [(306 - 766) / 766] x 100
Subtract the new number by the original number
306 - 766 = -460
-460 ÷ 766 = -0.6005221932114883
-0.6005221932114883 x 100 = -60.05%