-64.94% is the change from 251 to 88
Calculation steps:
[( 88 - 251 ) ÷ 251] x 100 = -64.94%
Formula
Percentage change = [(88 - 251) / 251] x 100
Subtract the new number by the original number
88 - 251 = -163
-163 ÷ 251 = -0.649402390438247
-0.649402390438247 x 100 = -64.94%