-78.99% is the change from 557 to 117
Calculation steps:
[( 117 - 557 ) ÷ 557] x 100 = -78.99%
Formula
Percentage change = [(117 - 557) / 557] x 100
Subtract the new number by the original number
117 - 557 = -440
-440 ÷ 557 = -0.7899461400359067
-0.7899461400359067 x 100 = -78.99%