-11.11% is the change from 549 to 488
Calculation steps:
[( 488 - 549 ) ÷ 549] x 100 = -11.11%
Formula
Percentage change = [(488 - 549) / 549] x 100
Subtract the new number by the original number
488 - 549 = -61
-61 ÷ 549 = -0.1111111111111111
-0.1111111111111111 x 100 = -11.11%