-87.43% is the change from 549 to 69
Calculation steps:
[( 69 - 549 ) ÷ 549] x 100 = -87.43%
Formula
Percentage change = [(69 - 549) / 549] x 100
Subtract the new number by the original number
69 - 549 = -480
-480 ÷ 549 = -0.8743169398907104
-0.8743169398907104 x 100 = -87.43%