610.87% is the change from 138 to 981
Calculation steps:
[( 981 - 138 ) ÷ 138] x 100 = 610.87%
Formula
Percentage change = [(981 - 138) / 138] x 100
Subtract the new number by the original number
981 - 138 = 843
843 ÷ 138 = 6.108695652173913
6.108695652173913 x 100 = 610.87%