-87.79% is the change from 557 to 68
Calculation steps:
[( 68 - 557 ) ÷ 557] x 100 = -87.79%
Formula
Percentage change = [(68 - 557) / 557] x 100
Subtract the new number by the original number
68 - 557 = -489
-489 ÷ 557 = -0.8779174147217235
-0.8779174147217235 x 100 = -87.79%