1.69% is the change from 650 to 661
Calculation steps:
[( 661 - 650 ) ÷ 650] x 100 = 1.69%
Formula
Percentage change = [(661 - 650) / 650] x 100
Subtract the new number by the original number
661 - 650 = 11
11 ÷ 650 = 0.016923076923076923
0.016923076923076923 x 100 = 1.69%