11.31% is the change from 451 to 502
Calculation steps:
[( 502 - 451 ) ÷ 451] x 100 = 11.31%
Formula
Percentage change = [(502 - 451) / 451] x 100
Subtract the new number by the original number
502 - 451 = 51
51 ÷ 451 = 0.1130820399113082
0.1130820399113082 x 100 = 11.31%