-95.04% is the change from 343 to 17
Calculation steps:
[( 17 - 343 ) ÷ 343] x 100 = -95.04%
Formula
Percentage change = [(17 - 343) / 343] x 100
Subtract the new number by the original number
17 - 343 = -326
-326 ÷ 343 = -0.9504373177842566
-0.9504373177842566 x 100 = -95.04%