-98.55% is the change from 138 to 2
Calculation steps:
[( 2 - 138 ) ÷ 138] x 100 = -98.55%
Formula
Percentage change = [(2 - 138) / 138] x 100
Subtract the new number by the original number
2 - 138 = -136
-136 ÷ 138 = -0.9855072463768116
-0.9855072463768116 x 100 = -98.55%