-72.42% is the change from 910 to 251
Calculation steps:
[( 251 - 910 ) ÷ 910] x 100 = -72.42%
Formula
Percentage change = [(251 - 910) / 910] x 100
Subtract the new number by the original number
251 - 910 = -659
-659 ÷ 910 = -0.7241758241758242
-0.7241758241758242 x 100 = -72.42%