-3.35% is the change from 537 to 519
Calculation steps:
[( 519 - 537 ) ÷ 537] x 100 = -3.35%
Formula
Percentage change = [(519 - 537) / 537] x 100
Subtract the new number by the original number
519 - 537 = -18
-18 ÷ 537 = -0.0335195530726257
-0.0335195530726257 x 100 = -3.35%