-74.95% is the change from 507 to 127
Calculation steps:
[( 127 - 507 ) ÷ 507] x 100 = -74.95%
Formula
Percentage change = [(127 - 507) / 507] x 100
Subtract the new number by the original number
127 - 507 = -380
-380 ÷ 507 = -0.7495069033530573
-0.7495069033530573 x 100 = -74.95%