-69.18% is the change from 662 to 204
Calculation steps:
[( 204 - 662 ) ÷ 662] x 100 = -69.18%
Formula
Percentage change = [(204 - 662) / 662] x 100
Subtract the new number by the original number
204 - 662 = -458
-458 ÷ 662 = -0.6918429003021148
-0.6918429003021148 x 100 = -69.18%