19.57% is the change from 705 to 843
Calculation steps:
[( 843 - 705 ) ÷ 705] x 100 = 19.57%
Formula
Percentage change = [(843 - 705) / 705] x 100
Subtract the new number by the original number
843 - 705 = 138
138 ÷ 705 = 0.19574468085106383
0.19574468085106383 x 100 = 19.57%