-62.26% is the change from 665 to 251
Calculation steps:
[( 251 - 665 ) ÷ 665] x 100 = -62.26%
Formula
Percentage change = [(251 - 665) / 665] x 100
Subtract the new number by the original number
251 - 665 = -414
-414 ÷ 665 = -0.6225563909774436
-0.6225563909774436 x 100 = -62.26%