-65.44% is the change from 897 to 310
Calculation steps:
[( 310 - 897 ) ÷ 897] x 100 = -65.44%
Formula
Percentage change = [(310 - 897) / 897] x 100
Subtract the new number by the original number
310 - 897 = -587
-587 ÷ 897 = -0.6544035674470458
-0.6544035674470458 x 100 = -65.44%