10% is the change from 650 to 715
Calculation steps:
[( 715 - 650 ) ÷ 650] x 100 = 10%
Formula
Percentage change = [(715 - 650) / 650] x 100
Subtract the new number by the original number
715 - 650 = 65
65 ÷ 650 = 0.1
0.1 x 100 = 10%
Example