-69.98% is the change from 423 to 127
Calculation steps:
[( 127 - 423 ) ÷ 423] x 100 = -69.98%
Formula
Percentage change = [(127 - 423) / 423] x 100
Subtract the new number by the original number
127 - 423 = -296
-296 ÷ 423 = -0.6997635933806147
-0.6997635933806147 x 100 = -69.98%