91.54% is the change from 449 to 860
Calculation steps:
[( 860 - 449 ) ÷ 449] x 100 = 91.54%
Formula
Percentage change = [(860 - 449) / 449] x 100
Subtract the new number by the original number
860 - 449 = 411
411 ÷ 449 = 0.9153674832962138
0.9153674832962138 x 100 = 91.54%