20.23% is the change from 707 to 850
Calculation steps:
[( 850 - 707 ) ÷ 707] x 100 = 20.23%
Formula
Percentage change = [(850 - 707) / 707] x 100
Subtract the new number by the original number
850 - 707 = 143
143 ÷ 707 = 0.20226308345120225
0.20226308345120225 x 100 = 20.23%