-16.77% is the change from 662 to 551
Calculation steps:
[( 551 - 662 ) ÷ 662] x 100 = -16.77%
Formula
Percentage change = [(551 - 662) / 662] x 100
Subtract the new number by the original number
551 - 662 = -111
-111 ÷ 662 = -0.16767371601208458
-0.16767371601208458 x 100 = -16.77%