-69.98% is the change from 543 to 163
Calculation steps:
[( 163 - 543 ) ÷ 543] x 100 = -69.98%
Formula
Percentage change = [(163 - 543) / 543] x 100
Subtract the new number by the original number
163 - 543 = -380
-380 ÷ 543 = -0.6998158379373849
-0.6998158379373849 x 100 = -69.98%