24.32% is the change from 551 to 685
Calculation steps:
[( 685 - 551 ) ÷ 551] x 100 = 24.32%
Formula
Percentage change = [(685 - 551) / 551] x 100
Subtract the new number by the original number
685 - 551 = 134
134 ÷ 551 = 0.24319419237749546
0.24319419237749546 x 100 = 24.32%