-67.09% is the change from 477 to 157
Calculation steps:
[( 157 - 477 ) ÷ 477] x 100 = -67.09%
Formula
Percentage change = [(157 - 477) / 477] x 100
Subtract the new number by the original number
157 - 477 = -320
-320 ÷ 477 = -0.6708595387840671
-0.6708595387840671 x 100 = -67.09%