37.78% is the change from 487 to 671
Calculation steps:
[( 671 - 487 ) ÷ 487] x 100 = 37.78%
Formula
Percentage change = [(671 - 487) / 487] x 100
Subtract the new number by the original number
671 - 487 = 184
184 ÷ 487 = 0.37782340862423
0.37782340862423 x 100 = 37.78%