-70.35% is the change from 897 to 266
Calculation steps:
[( 266 - 897 ) ÷ 897] x 100 = -70.35%
Formula
Percentage change = [(266 - 897) / 897] x 100
Subtract the new number by the original number
266 - 897 = -631
-631 ÷ 897 = -0.7034559643255296
-0.7034559643255296 x 100 = -70.35%