-66.51% is the change from 415 to 139
Calculation steps:
[( 139 - 415 ) ÷ 415] x 100 = -66.51%
Formula
Percentage change = [(139 - 415) / 415] x 100
Subtract the new number by the original number
139 - 415 = -276
-276 ÷ 415 = -0.6650602409638554
-0.6650602409638554 x 100 = -66.51%