-80.35% is the change from 229 to 45
Calculation steps:
[( 45 - 229 ) ÷ 229] x 100 = -80.35%
Formula
Percentage change = [(45 - 229) / 229] x 100
Subtract the new number by the original number
45 - 229 = -184
-184 ÷ 229 = -0.8034934497816594
-0.8034934497816594 x 100 = -80.35%