-8.57% is the change from 537 to 491
Calculation steps:
[( 491 - 537 ) ÷ 537] x 100 = -8.57%
Formula
Percentage change = [(491 - 537) / 537] x 100
Subtract the new number by the original number
491 - 537 = -46
-46 ÷ 537 = -0.0856610800744879
-0.0856610800744879 x 100 = -8.57%