-71.7% is the change from 477 to 135
Calculation steps:
[( 135 - 477 ) ÷ 477] x 100 = -71.7%
Formula
Percentage change = [(135 - 477) / 477] x 100
Subtract the new number by the original number
135 - 477 = -342
-342 ÷ 477 = -0.7169811320754716
-0.7169811320754716 x 100 = -71.7%