-27.87% is the change from 348 to 251
Calculation steps:
[( 251 - 348 ) ÷ 348] x 100 = -27.87%
Formula
Percentage change = [(251 - 348) / 348] x 100
Subtract the new number by the original number
251 - 348 = -97
-97 ÷ 348 = -0.27873563218390807
-0.27873563218390807 x 100 = -27.87%