-67.63% is the change from 139 to 45
Calculation steps:
[( 45 - 139 ) ÷ 139] x 100 = -67.63%
Formula
Percentage change = [(45 - 139) / 139] x 100
Subtract the new number by the original number
45 - 139 = -94
-94 ÷ 139 = -0.6762589928057554
-0.6762589928057554 x 100 = -67.63%