-66.84% is the change from 757 to 251
Calculation steps:
[( 251 - 757 ) ÷ 757] x 100 = -66.84%
Formula
Percentage change = [(251 - 757) / 757] x 100
Subtract the new number by the original number
251 - 757 = -506
-506 ÷ 757 = -0.6684280052840158
-0.6684280052840158 x 100 = -66.84%