-31.52% is the change from 755 to 517
Calculation steps:
[( 517 - 755 ) ÷ 755] x 100 = -31.52%
Formula
Percentage change = [(517 - 755) / 755] x 100
Subtract the new number by the original number
517 - 755 = -238
-238 ÷ 755 = -0.3152317880794702
-0.3152317880794702 x 100 = -31.52%