-74.75% is the change from 503 to 127
Calculation steps:
[( 127 - 503 ) ÷ 503] x 100 = -74.75%
Formula
Percentage change = [(127 - 503) / 503] x 100
Subtract the new number by the original number
127 - 503 = -376
-376 ÷ 503 = -0.7475149105367793
-0.7475149105367793 x 100 = -74.75%