-61.44% is the change from 651 to 251
Calculation steps:
[( 251 - 651 ) ÷ 651] x 100 = -61.44%
Formula
Percentage change = [(251 - 651) / 651] x 100
Subtract the new number by the original number
251 - 651 = -400
-400 ÷ 651 = -0.6144393241167435
-0.6144393241167435 x 100 = -61.44%