-14.84% is the change from 647 to 551
Calculation steps:
[( 551 - 647 ) ÷ 647] x 100 = -14.84%
Formula
Percentage change = [(551 - 647) / 647] x 100
Subtract the new number by the original number
551 - 647 = -96
-96 ÷ 647 = -0.14837712519319937
-0.14837712519319937 x 100 = -14.84%