-95.77% is the change from 355 to 15
Calculation steps:
[( 15 - 355 ) ÷ 355] x 100 = -95.77%
Formula
Percentage change = [(15 - 355) / 355] x 100
Subtract the new number by the original number
15 - 355 = -340
-340 ÷ 355 = -0.9577464788732394
-0.9577464788732394 x 100 = -95.77%