38.05% is the change from 481 to 664
Calculation steps:
[( 664 - 481 ) ÷ 481] x 100 = 38.05%
Formula
Percentage change = [(664 - 481) / 481] x 100
Subtract the new number by the original number
664 - 481 = 183
183 ÷ 481 = 0.3804573804573805
0.3804573804573805 x 100 = 38.05%