-64.36% is the change from 578 to 206
Calculation steps:
[( 206 - 578 ) ÷ 578] x 100 = -64.36%
Formula
Percentage change = [(206 - 578) / 578] x 100
Subtract the new number by the original number
206 - 578 = -372
-372 ÷ 578 = -0.643598615916955
-0.643598615916955 x 100 = -64.36%