-10.46% is the change from 545 to 488
Calculation steps:
[( 488 - 545 ) ÷ 545] x 100 = -10.46%
Formula
Percentage change = [(488 - 545) / 545] x 100
Subtract the new number by the original number
488 - 545 = -57
-57 ÷ 545 = -0.10458715596330276
-0.10458715596330276 x 100 = -10.46%