-69.8% is the change from 543 to 164
Calculation steps:
[( 164 - 543 ) ÷ 543] x 100 = -69.8%
Formula
Percentage change = [(164 - 543) / 543] x 100
Subtract the new number by the original number
164 - 543 = -379
-379 ÷ 543 = -0.6979742173112339
-0.6979742173112339 x 100 = -69.8%