-12.7% is the change from 551 to 481
Calculation steps:
[( 481 - 551 ) ÷ 551] x 100 = -12.7%
Formula
Percentage change = [(481 - 551) / 551] x 100
Subtract the new number by the original number
481 - 551 = -70
-70 ÷ 551 = -0.12704174228675136
-0.12704174228675136 x 100 = -12.7%