-66.61% is the change from 578 to 193
Calculation steps:
[( 193 - 578 ) ÷ 578] x 100 = -66.61%
Formula
Percentage change = [(193 - 578) / 578] x 100
Subtract the new number by the original number
193 - 578 = -385
-385 ÷ 578 = -0.6660899653979239
-0.6660899653979239 x 100 = -66.61%