-52.3% is the change from 348 to 166
Calculation steps:
[( 166 - 348 ) ÷ 348] x 100 = -52.3%
Formula
Percentage change = [(166 - 348) / 348] x 100
Subtract the new number by the original number
166 - 348 = -182
-182 ÷ 348 = -0.5229885057471264
-0.5229885057471264 x 100 = -52.3%