-95.9% is the change from 415 to 17
Calculation steps:
[( 17 - 415 ) ÷ 415] x 100 = -95.9%
Formula
Percentage change = [(17 - 415) / 415] x 100
Subtract the new number by the original number
17 - 415 = -398
-398 ÷ 415 = -0.9590361445783132
-0.9590361445783132 x 100 = -95.9%