-66.53% is the change from 968 to 324
Calculation steps:
[( 324 - 968 ) ÷ 968] x 100 = -66.53%
Formula
Percentage change = [(324 - 968) / 968] x 100
Subtract the new number by the original number
324 - 968 = -644
-644 ÷ 968 = -0.6652892561983471
-0.6652892561983471 x 100 = -66.53%