-54.35% is the change from 138 to 63
Calculation steps:
[( 63 - 138 ) ÷ 138] x 100 = -54.35%
Formula
Percentage change = [(63 - 138) / 138] x 100
Subtract the new number by the original number
63 - 138 = -75
-75 ÷ 138 = -0.5434782608695652
-0.5434782608695652 x 100 = -54.35%