-68.8% is the change from 657 to 205
Calculation steps:
[( 205 - 657 ) ÷ 657] x 100 = -68.8%
Formula
Percentage change = [(205 - 657) / 657] x 100
Subtract the new number by the original number
205 - 657 = -452
-452 ÷ 657 = -0.6879756468797564
-0.6879756468797564 x 100 = -68.8%