-42.54% is the change from 959 to 551
Calculation steps:
[( 551 - 959 ) ÷ 959] x 100 = -42.54%
Formula
Percentage change = [(551 - 959) / 959] x 100
Subtract the new number by the original number
551 - 959 = -408
-408 ÷ 959 = -0.4254431699687174
-0.4254431699687174 x 100 = -42.54%