-29.21% is the change from 736 to 521
Calculation steps:
[( 521 - 736 ) ÷ 736] x 100 = -29.21%
Formula
Percentage change = [(521 - 736) / 736] x 100
Subtract the new number by the original number
521 - 736 = -215
-215 ÷ 736 = -0.2921195652173913
-0.2921195652173913 x 100 = -29.21%