-70.77% is the change from 828 to 242
Calculation steps:
[( 242 - 828 ) ÷ 828] x 100 = -70.77%
Formula
Percentage change = [(242 - 828) / 828] x 100
Subtract the new number by the original number
242 - 828 = -586
-586 ÷ 828 = -0.7077294685990339
-0.7077294685990339 x 100 = -70.77%