71.05% is the change from 494 to 845
Calculation steps:
[( 845 - 494 ) ÷ 494] x 100 = 71.05%
Formula
Percentage change = [(845 - 494) / 494] x 100
Subtract the new number by the original number
845 - 494 = 351
351 ÷ 494 = 0.7105263157894737
0.7105263157894737 x 100 = 71.05%