656.49% is the change from 131 to 991
Calculation steps:
[( 991 - 131 ) ÷ 131] x 100 = 656.49%
Formula
Percentage change = [(991 - 131) / 131] x 100
Subtract the new number by the original number
991 - 131 = 860
860 ÷ 131 = 6.564885496183206
6.564885496183206 x 100 = 656.49%