30.43% is the change from 69 to 90
Calculation steps:
[( 90 - 69 ) ÷ 69] x 100 = 30.43%
Formula
Percentage change = [(90 - 69) / 69] x 100
Subtract the new number by the original number
90 - 69 = 21
21 ÷ 69 = 0.30434782608695654
0.30434782608695654 x 100 = 30.43%