-83.92% is the change from 143 to 23
Calculation steps:
[( 23 - 143 ) ÷ 143] x 100 = -83.92%
Formula
Percentage change = [(23 - 143) / 143] x 100
Subtract the new number by the original number
23 - 143 = -120
-120 ÷ 143 = -0.8391608391608392
-0.8391608391608392 x 100 = -83.92%