-77.59% is the change from 656 to 147
Calculation steps:
[( 147 - 656 ) ÷ 656] x 100 = -77.59%
Formula
Percentage change = [(147 - 656) / 656] x 100
Subtract the new number by the original number
147 - 656 = -509
-509 ÷ 656 = -0.7759146341463414
-0.7759146341463414 x 100 = -77.59%