607.97% is the change from 138 to 977
Calculation steps:
[( 977 - 138 ) ÷ 138] x 100 = 607.97%
Formula
Percentage change = [(977 - 138) / 138] x 100
Subtract the new number by the original number
977 - 138 = 839
839 ÷ 138 = 6.079710144927536
6.079710144927536 x 100 = 607.97%