71.49% is the change from 491 to 842
Calculation steps:
[( 842 - 491 ) ÷ 491] x 100 = 71.49%
Formula
Percentage change = [(842 - 491) / 491] x 100
Subtract the new number by the original number
842 - 491 = 351
351 ÷ 491 = 0.714867617107943
0.714867617107943 x 100 = 71.49%