-95.73% is the change from 351 to 15
Calculation steps:
[( 15 - 351 ) ÷ 351] x 100 = -95.73%
Formula
Percentage change = [(15 - 351) / 351] x 100
Subtract the new number by the original number
15 - 351 = -336
-336 ÷ 351 = -0.9572649572649573
-0.9572649572649573 x 100 = -95.73%