-4.1% is the change from 537 to 515
Calculation steps:
[( 515 - 537 ) ÷ 537] x 100 = -4.1%
Formula
Percentage change = [(515 - 537) / 537] x 100
Subtract the new number by the original number
515 - 537 = -22
-22 ÷ 537 = -0.040968342644320296
-0.040968342644320296 x 100 = -4.1%