-70.77% is the change from 284 to 83
Calculation steps:
[( 83 - 284 ) ÷ 284] x 100 = -70.77%
Formula
Percentage change = [(83 - 284) / 284] x 100
Subtract the new number by the original number
83 - 284 = -201
-201 ÷ 284 = -0.7077464788732394
-0.7077464788732394 x 100 = -70.77%