-91.64% is the change from 550 to 46
Calculation steps:
[( 46 - 550 ) ÷ 550] x 100 = -91.64%
Formula
Percentage change = [(46 - 550) / 550] x 100
Subtract the new number by the original number
46 - 550 = -504
-504 ÷ 550 = -0.9163636363636364
-0.9163636363636364 x 100 = -91.64%