-55.18% is the change from 415 to 186
Calculation steps:
[( 186 - 415 ) ÷ 415] x 100 = -55.18%
Formula
Percentage change = [(186 - 415) / 415] x 100
Subtract the new number by the original number
186 - 415 = -229
-229 ÷ 415 = -0.5518072289156627
-0.5518072289156627 x 100 = -55.18%