-72.11% is the change from 502 to 140
Calculation steps:
[( 140 - 502 ) ÷ 502] x 100 = -72.11%
Formula
Percentage change = [(140 - 502) / 502] x 100
Subtract the new number by the original number
140 - 502 = -362
-362 ÷ 502 = -0.7211155378486056
-0.7211155378486056 x 100 = -72.11%