-70.02% is the change from 487 to 146
Calculation steps:
[( 146 - 487 ) ÷ 487] x 100 = -70.02%
Formula
Percentage change = [(146 - 487) / 487] x 100
Subtract the new number by the original number
146 - 487 = -341
-341 ÷ 487 = -0.7002053388090349
-0.7002053388090349 x 100 = -70.02%