15.63% is the change from 819 to 947
Calculation steps:
[( 947 - 819 ) ÷ 819] x 100 = 15.63%
Formula
Percentage change = [(947 - 819) / 819] x 100
Subtract the new number by the original number
947 - 819 = 128
128 ÷ 819 = 0.1562881562881563
0.1562881562881563 x 100 = 15.63%