109.45% is the change from 402 to 842
Calculation steps:
[( 842 - 402 ) ÷ 402] x 100 = 109.45%
Formula
Percentage change = [(842 - 402) / 402] x 100
Subtract the new number by the original number
842 - 402 = 440
440 ÷ 402 = 1.0945273631840795
1.0945273631840795 x 100 = 109.45%