-64.52% is the change from 840 to 298
Calculation steps:
[( 298 - 840 ) ÷ 840] x 100 = -64.52%
Formula
Percentage change = [(298 - 840) / 840] x 100
Subtract the new number by the original number
298 - 840 = -542
-542 ÷ 840 = -0.6452380952380953
-0.6452380952380953 x 100 = -64.52%