-74.01% is the change from 931 to 242
Calculation steps:
[( 242 - 931 ) ÷ 931] x 100 = -74.01%
Formula
Percentage change = [(242 - 931) / 931] x 100
Subtract the new number by the original number
242 - 931 = -689
-689 ÷ 931 = -0.7400644468313641
-0.7400644468313641 x 100 = -74.01%