-14.71% is the change from 646 to 551
Calculation steps:
[( 551 - 646 ) ÷ 646] x 100 = -14.71%
Formula
Percentage change = [(551 - 646) / 646] x 100
Subtract the new number by the original number
551 - 646 = -95
-95 ÷ 646 = -0.14705882352941177
-0.14705882352941177 x 100 = -14.71%