-66.99% is the change from 621 to 205
Calculation steps:
[( 205 - 621 ) ÷ 621] x 100 = -66.99%
Formula
Percentage change = [(205 - 621) / 621] x 100
Subtract the new number by the original number
205 - 621 = -416
-416 ÷ 621 = -0.6698872785829307
-0.6698872785829307 x 100 = -66.99%