-77.12% is the change from 555 to 127
Calculation steps:
[( 127 - 555 ) ÷ 555] x 100 = -77.12%
Formula
Percentage change = [(127 - 555) / 555] x 100
Subtract the new number by the original number
127 - 555 = -428
-428 ÷ 555 = -0.7711711711711712
-0.7711711711711712 x 100 = -77.12%