71.51% is the change from 551 to 945
Calculation steps:
[( 945 - 551 ) ÷ 551] x 100 = 71.51%
Formula
Percentage change = [(945 - 551) / 551] x 100
Subtract the new number by the original number
945 - 551 = 394
394 ÷ 551 = 0.7150635208711433
0.7150635208711433 x 100 = 71.51%