-97.11% is the change from 415 to 12
Calculation steps:
[( 12 - 415 ) ÷ 415] x 100 = -97.11%
Formula
Percentage change = [(12 - 415) / 415] x 100
Subtract the new number by the original number
12 - 415 = -403
-403 ÷ 415 = -0.9710843373493976
-0.9710843373493976 x 100 = -97.11%