-19.44% is the change from 684 to 551
Calculation steps:
[( 551 - 684 ) ÷ 684] x 100 = -19.44%
Formula
Percentage change = [(551 - 684) / 684] x 100
Subtract the new number by the original number
551 - 684 = -133
-133 ÷ 684 = -0.19444444444444445
-0.19444444444444445 x 100 = -19.44%