-47.62% is the change from 147 to 77
Calculation steps:
[( 77 - 147 ) ÷ 147] x 100 = -47.62%
Formula
Percentage change = [(77 - 147) / 147] x 100
Subtract the new number by the original number
77 - 147 = -70
-70 ÷ 147 = -0.47619047619047616
-0.47619047619047616 x 100 = -47.62%