-64.45% is the change from 481 to 171
Calculation steps:
[( 171 - 481 ) ÷ 481] x 100 = -64.45%
Formula
Percentage change = [(171 - 481) / 481] x 100
Subtract the new number by the original number
171 - 481 = -310
-310 ÷ 481 = -0.6444906444906445
-0.6444906444906445 x 100 = -64.45%