-29.12% is the change from 735 to 521
Calculation steps:
[( 521 - 735 ) ÷ 735] x 100 = -29.12%
Formula
Percentage change = [(521 - 735) / 735] x 100
Subtract the new number by the original number
521 - 735 = -214
-214 ÷ 735 = -0.291156462585034
-0.291156462585034 x 100 = -29.12%