20.71% is the change from 700 to 845
Calculation steps:
[( 845 - 700 ) ÷ 700] x 100 = 20.71%
Formula
Percentage change = [(845 - 700) / 700] x 100
Subtract the new number by the original number
845 - 700 = 145
145 ÷ 700 = 0.20714285714285716
0.20714285714285716 x 100 = 20.71%