-91.81% is the change from 415 to 34
Calculation steps:
[( 34 - 415 ) ÷ 415] x 100 = -91.81%
Formula
Percentage change = [(34 - 415) / 415] x 100
Subtract the new number by the original number
34 - 415 = -381
-381 ÷ 415 = -0.9180722891566265
-0.9180722891566265 x 100 = -91.81%