488.97% is the change from 145 to 854
Calculation steps:
[( 854 - 145 ) ÷ 145] x 100 = 488.97%
Formula
Percentage change = [(854 - 145) / 145] x 100
Subtract the new number by the original number
854 - 145 = 709
709 ÷ 145 = 4.889655172413793
4.889655172413793 x 100 = 488.97%