-66.21% is the change from 959 to 324
Calculation steps:
[( 324 - 959 ) ÷ 959] x 100 = -66.21%
Formula
Percentage change = [(324 - 959) / 959] x 100
Subtract the new number by the original number
324 - 959 = -635
-635 ÷ 959 = -0.662148070907195
-0.662148070907195 x 100 = -66.21%