138.8% is the change from 415 to 991
Calculation steps:
[( 991 - 415 ) ÷ 415] x 100 = 138.8%
Formula
Percentage change = [(991 - 415) / 415] x 100
Subtract the new number by the original number
991 - 415 = 576
576 ÷ 415 = 1.3879518072289156
1.3879518072289156 x 100 = 138.8%