-98.84% is the change from 345 to 4
Calculation steps:
[( 4 - 345 ) ÷ 345] x 100 = -98.84%
Formula
Percentage change = [(4 - 345) / 345] x 100
Subtract the new number by the original number
4 - 345 = -341
-341 ÷ 345 = -0.9884057971014493
-0.9884057971014493 x 100 = -98.84%