-76.36% is the change from 643 to 152
Calculation steps:
[( 152 - 643 ) ÷ 643] x 100 = -76.36%
Formula
Percentage change = [(152 - 643) / 643] x 100
Subtract the new number by the original number
152 - 643 = -491
-491 ÷ 643 = -0.7636080870917574
-0.7636080870917574 x 100 = -76.36%