-32.33% is the change from 764 to 517
Calculation steps:
[( 517 - 764 ) ÷ 764] x 100 = -32.33%
Formula
Percentage change = [(517 - 764) / 764] x 100
Subtract the new number by the original number
517 - 764 = -247
-247 ÷ 764 = -0.32329842931937175
-0.32329842931937175 x 100 = -32.33%