-9.12% is the change from 537 to 488
Calculation steps:
[( 488 - 537 ) ÷ 537] x 100 = -9.12%
Formula
Percentage change = [(488 - 537) / 537] x 100
Subtract the new number by the original number
488 - 537 = -49
-49 ÷ 537 = -0.09124767225325885
-0.09124767225325885 x 100 = -9.12%