-39.45% is the change from 910 to 551
Calculation steps:
[( 551 - 910 ) ÷ 910] x 100 = -39.45%
Formula
Percentage change = [(551 - 910) / 910] x 100
Subtract the new number by the original number
551 - 910 = -359
-359 ÷ 910 = -0.3945054945054945
-0.3945054945054945 x 100 = -39.45%