18.68% is the change from 819 to 972
Calculation steps:
[( 972 - 819 ) ÷ 819] x 100 = 18.68%
Formula
Percentage change = [(972 - 819) / 819] x 100
Subtract the new number by the original number
972 - 819 = 153
153 ÷ 819 = 0.18681318681318682
0.18681318681318682 x 100 = 18.68%