71.87% is the change from 551 to 947
Calculation steps:
[( 947 - 551 ) ÷ 551] x 100 = 71.87%
Formula
Percentage change = [(947 - 551) / 551] x 100
Subtract the new number by the original number
947 - 551 = 396
396 ÷ 551 = 0.7186932849364791
0.7186932849364791 x 100 = 71.87%