-31.9% is the change from 348 to 237
Calculation steps:
[( 237 - 348 ) ÷ 348] x 100 = -31.9%
Formula
Percentage change = [(237 - 348) / 348] x 100
Subtract the new number by the original number
237 - 348 = -111
-111 ÷ 348 = -0.31896551724137934
-0.31896551724137934 x 100 = -31.9%