-70.92% is the change from 502 to 146
Calculation steps:
[( 146 - 502 ) ÷ 502] x 100 = -70.92%
Formula
Percentage change = [(146 - 502) / 502] x 100
Subtract the new number by the original number
146 - 502 = -356
-356 ÷ 502 = -0.7091633466135459
-0.7091633466135459 x 100 = -70.92%