-20.09% is the change from 652 to 521
Calculation steps:
[( 521 - 652 ) ÷ 652] x 100 = -20.09%
Formula
Percentage change = [(521 - 652) / 652] x 100
Subtract the new number by the original number
521 - 652 = -131
-131 ÷ 652 = -0.200920245398773
-0.200920245398773 x 100 = -20.09%