-32.92% is the change from 243 to 163
Calculation steps:
[( 163 - 243 ) ÷ 243] x 100 = -32.92%
Formula
Percentage change = [(163 - 243) / 243] x 100
Subtract the new number by the original number
163 - 243 = -80
-80 ÷ 243 = -0.3292181069958848
-0.3292181069958848 x 100 = -32.92%