-86.99% is the change from 415 to 54
Calculation steps:
[( 54 - 415 ) ÷ 415] x 100 = -86.99%
Formula
Percentage change = [(54 - 415) / 415] x 100
Subtract the new number by the original number
54 - 415 = -361
-361 ÷ 415 = -0.8698795180722891
-0.8698795180722891 x 100 = -86.99%