-72.02% is the change from 897 to 251
Calculation steps:
[( 251 - 897 ) ÷ 897] x 100 = -72.02%
Formula
Percentage change = [(251 - 897) / 897] x 100
Subtract the new number by the original number
251 - 897 = -646
-646 ÷ 897 = -0.7201783723522854
-0.7201783723522854 x 100 = -72.02%