18.98% is the change from 706 to 840
Calculation steps:
[( 840 - 706 ) ÷ 706] x 100 = 18.98%
Formula
Percentage change = [(840 - 706) / 706] x 100
Subtract the new number by the original number
840 - 706 = 134
134 ÷ 706 = 0.18980169971671387
0.18980169971671387 x 100 = 18.98%