-29.63% is the change from 766 to 539
Calculation steps:
[( 539 - 766 ) ÷ 766] x 100 = -29.63%
Formula
Percentage change = [(539 - 766) / 766] x 100
Subtract the new number by the original number
539 - 766 = -227
-227 ÷ 766 = -0.2963446475195822
-0.2963446475195822 x 100 = -29.63%