-71.31% is the change from 840 to 241
Calculation steps:
[( 241 - 840 ) ÷ 840] x 100 = -71.31%
Formula
Percentage change = [(241 - 840) / 840] x 100
Subtract the new number by the original number
241 - 840 = -599
-599 ÷ 840 = -0.7130952380952381
-0.7130952380952381 x 100 = -71.31%