-84.38% is the change from 557 to 87
Calculation steps:
[( 87 - 557 ) ÷ 557] x 100 = -84.38%
Formula
Percentage change = [(87 - 557) / 557] x 100
Subtract the new number by the original number
87 - 557 = -470
-470 ÷ 557 = -0.8438061041292639
-0.8438061041292639 x 100 = -84.38%