-67.83% is the change from 457 to 147
Calculation steps:
[( 147 - 457 ) ÷ 457] x 100 = -67.83%
Formula
Percentage change = [(147 - 457) / 457] x 100
Subtract the new number by the original number
147 - 457 = -310
-310 ÷ 457 = -0.6783369803063457
-0.6783369803063457 x 100 = -67.83%