-67.23% is the change from 415 to 136
Calculation steps:
[( 136 - 415 ) ÷ 415] x 100 = -67.23%
Formula
Percentage change = [(136 - 415) / 415] x 100
Subtract the new number by the original number
136 - 415 = -279
-279 ÷ 415 = -0.672289156626506
-0.672289156626506 x 100 = -67.23%