-29.02% is the change from 734 to 521
Calculation steps:
[( 521 - 734 ) ÷ 734] x 100 = -29.02%
Formula
Percentage change = [(521 - 734) / 734] x 100
Subtract the new number by the original number
521 - 734 = -213
-213 ÷ 734 = -0.2901907356948229
-0.2901907356948229 x 100 = -29.02%