-97.18% is the change from 532 to 15
Calculation steps:
[( 15 - 532 ) ÷ 532] x 100 = -97.18%
Formula
Percentage change = [(15 - 532) / 532] x 100
Subtract the new number by the original number
15 - 532 = -517
-517 ÷ 532 = -0.9718045112781954
-0.9718045112781954 x 100 = -97.18%