-52.75% is the change from 345 to 163
Calculation steps:
[( 163 - 345 ) ÷ 345] x 100 = -52.75%
Formula
Percentage change = [(163 - 345) / 345] x 100
Subtract the new number by the original number
163 - 345 = -182
-182 ÷ 345 = -0.527536231884058
-0.527536231884058 x 100 = -52.75%