-73.22% is the change from 534 to 143
Calculation steps:
[( 143 - 534 ) ÷ 534] x 100 = -73.22%
Formula
Percentage change = [(143 - 534) / 534] x 100
Subtract the new number by the original number
143 - 534 = -391
-391 ÷ 534 = -0.7322097378277154
-0.7322097378277154 x 100 = -73.22%