-80.63% is the change from 542 to 105
Calculation steps:
[( 105 - 542 ) ÷ 542] x 100 = -80.63%
Formula
Percentage change = [(105 - 542) / 542] x 100
Subtract the new number by the original number
105 - 542 = -437
-437 ÷ 542 = -0.8062730627306273
-0.8062730627306273 x 100 = -80.63%