-67.86% is the change from 140 to 45
Calculation steps:
[( 45 - 140 ) ÷ 140] x 100 = -67.86%
Formula
Percentage change = [(45 - 140) / 140] x 100
Subtract the new number by the original number
45 - 140 = -95
-95 ÷ 140 = -0.6785714285714286
-0.6785714285714286 x 100 = -67.86%