-54.05% is the change from 481 to 221
Calculation steps:
[( 221 - 481 ) ÷ 481] x 100 = -54.05%
Formula
Percentage change = [(221 - 481) / 481] x 100
Subtract the new number by the original number
221 - 481 = -260
-260 ÷ 481 = -0.5405405405405406
-0.5405405405405406 x 100 = -54.05%