30.43% is the change from 690 to 900
Calculation steps:
[( 900 - 690 ) ÷ 690] x 100 = 30.43%
Formula
Percentage change = [(900 - 690) / 690] x 100
Subtract the new number by the original number
900 - 690 = 210
210 ÷ 690 = 0.30434782608695654
0.30434782608695654 x 100 = 30.43%