-73.97% is the change from 534 to 139
Calculation steps:
[( 139 - 534 ) ÷ 534] x 100 = -73.97%
Formula
Percentage change = [(139 - 534) / 534] x 100
Subtract the new number by the original number
139 - 534 = -395
-395 ÷ 534 = -0.7397003745318352
-0.7397003745318352 x 100 = -73.97%