-96.83% is the change from 537 to 17
Calculation steps:
[( 17 - 537 ) ÷ 537] x 100 = -96.83%
Formula
Percentage change = [(17 - 537) / 537] x 100
Subtract the new number by the original number
17 - 537 = -520
-520 ÷ 537 = -0.9683426443202979
-0.9683426443202979 x 100 = -96.83%