-72.38% is the change from 840 to 232
Calculation steps:
[( 232 - 840 ) ÷ 840] x 100 = -72.38%
Formula
Percentage change = [(232 - 840) / 840] x 100
Subtract the new number by the original number
232 - 840 = -608
-608 ÷ 840 = -0.7238095238095238
-0.7238095238095238 x 100 = -72.38%