30.87% is the change from 690 to 903
Calculation steps:
[( 903 - 690 ) ÷ 690] x 100 = 30.87%
Formula
Percentage change = [(903 - 690) / 690] x 100
Subtract the new number by the original number
903 - 690 = 213
213 ÷ 690 = 0.30869565217391304
0.30869565217391304 x 100 = 30.87%