-3.85% is the change from 545 to 524
Calculation steps:
[( 524 - 545 ) ÷ 545] x 100 = -3.85%
Formula
Percentage change = [(524 - 545) / 545] x 100
Subtract the new number by the original number
524 - 545 = -21
-21 ÷ 545 = -0.03853211009174312
-0.03853211009174312 x 100 = -3.85%