-5.77% is the change from 537 to 506
Calculation steps:
[( 506 - 537 ) ÷ 537] x 100 = -5.77%
Formula
Percentage change = [(506 - 537) / 537] x 100
Subtract the new number by the original number
506 - 537 = -31
-31 ÷ 537 = -0.05772811918063315
-0.05772811918063315 x 100 = -5.77%