-17.53% is the change from 348 to 287
Calculation steps:
[( 287 - 348 ) ÷ 348] x 100 = -17.53%
Formula
Percentage change = [(287 - 348) / 348] x 100
Subtract the new number by the original number
287 - 348 = -61
-61 ÷ 348 = -0.1752873563218391
-0.1752873563218391 x 100 = -17.53%