-83.61% is the change from 897 to 147
Calculation steps:
[( 147 - 897 ) ÷ 897] x 100 = -83.61%
Formula
Percentage change = [(147 - 897) / 897] x 100
Subtract the new number by the original number
147 - 897 = -750
-750 ÷ 897 = -0.8361204013377926
-0.8361204013377926 x 100 = -83.61%