-74.65% is the change from 501 to 127
Calculation steps:
[( 127 - 501 ) ÷ 501] x 100 = -74.65%
Formula
Percentage change = [(127 - 501) / 501] x 100
Subtract the new number by the original number
127 - 501 = -374
-374 ÷ 501 = -0.7465069860279441
-0.7465069860279441 x 100 = -74.65%