-81.25% is the change from 544 to 102
Calculation steps:
[( 102 - 544 ) ÷ 544] x 100 = -81.25%
Formula
Percentage change = [(102 - 544) / 544] x 100
Subtract the new number by the original number
102 - 544 = -442
-442 ÷ 544 = -0.8125
-0.8125 x 100 = -81.25%