-7.72% is the change from 544 to 502
Calculation steps:
[( 502 - 544 ) ÷ 544] x 100 = -7.72%
Formula
Percentage change = [(502 - 544) / 544] x 100
Subtract the new number by the original number
502 - 544 = -42
-42 ÷ 544 = -0.07720588235294118
-0.07720588235294118 x 100 = -7.72%