84.21% is the change from 19 to 35
Calculation steps:
[( 35 - 19 ) ÷ 19] x 100 = 84.21%
Formula
Percentage change = [(35 - 19) / 19] x 100
Subtract the new number by the original number
35 - 19 = 16
16 ÷ 19 = 0.8421052631578947
0.8421052631578947 x 100 = 84.21%