-77.06% is the change from 606 to 139
Calculation steps:
[( 139 - 606 ) ÷ 606] x 100 = -77.06%
Formula
Percentage change = [(139 - 606) / 606] x 100
Subtract the new number by the original number
139 - 606 = -467
-467 ÷ 606 = -0.7706270627062707
-0.7706270627062707 x 100 = -77.06%