-96.65% is the change from 537 to 18
Calculation steps:
[( 18 - 537 ) ÷ 537] x 100 = -96.65%
Formula
Percentage change = [(18 - 537) / 537] x 100
Subtract the new number by the original number
18 - 537 = -519
-519 ÷ 537 = -0.9664804469273743
-0.9664804469273743 x 100 = -96.65%