-77.2% is the change from 557 to 127
Calculation steps:
[( 127 - 557 ) ÷ 557] x 100 = -77.2%
Formula
Percentage change = [(127 - 557) / 557] x 100
Subtract the new number by the original number
127 - 557 = -430
-430 ÷ 557 = -0.7719928186714542
-0.7719928186714542 x 100 = -77.2%