-70.95% is the change from 475 to 138
Calculation steps:
[( 138 - 475 ) ÷ 475] x 100 = -70.95%
Formula
Percentage change = [(138 - 475) / 475] x 100
Subtract the new number by the original number
138 - 475 = -337
-337 ÷ 475 = -0.7094736842105264
-0.7094736842105264 x 100 = -70.95%