76.23% is the change from 551 to 971
Calculation steps:
[( 971 - 551 ) ÷ 551] x 100 = 76.23%
Formula
Percentage change = [(971 - 551) / 551] x 100
Subtract the new number by the original number
971 - 551 = 420
420 ÷ 551 = 0.7622504537205081
0.7622504537205081 x 100 = 76.23%