-68.53% is the change from 143 to 45
Calculation steps:
[( 45 - 143 ) ÷ 143] x 100 = -68.53%
Formula
Percentage change = [(45 - 143) / 143] x 100
Subtract the new number by the original number
45 - 143 = -98
-98 ÷ 143 = -0.6853146853146853
-0.6853146853146853 x 100 = -68.53%