-35.55% is the change from 481 to 310
Calculation steps:
[( 310 - 481 ) ÷ 481] x 100 = -35.55%
Formula
Percentage change = [(310 - 481) / 481] x 100
Subtract the new number by the original number
310 - 481 = -171
-171 ÷ 481 = -0.35550935550935553
-0.35550935550935553 x 100 = -35.55%