-53.18% is the change from 897 to 420
Calculation steps:
[( 420 - 897 ) ÷ 897] x 100 = -53.18%
Formula
Percentage change = [(420 - 897) / 897] x 100
Subtract the new number by the original number
420 - 897 = -477
-477 ÷ 897 = -0.5317725752508361
-0.5317725752508361 x 100 = -53.18%