19.89% is the change from 709 to 850
Calculation steps:
[( 850 - 709 ) ÷ 709] x 100 = 19.89%
Formula
Percentage change = [(850 - 709) / 709] x 100
Subtract the new number by the original number
850 - 709 = 141
141 ÷ 709 = 0.19887165021156558
0.19887165021156558 x 100 = 19.89%