-95.07% is the change from 345 to 17
Calculation steps:
[( 17 - 345 ) ÷ 345] x 100 = -95.07%
Formula
Percentage change = [(17 - 345) / 345] x 100
Subtract the new number by the original number
17 - 345 = -328
-328 ÷ 345 = -0.9507246376811594
-0.9507246376811594 x 100 = -95.07%