-65.96% is the change from 940 to 320
Calculation steps:
[( 320 - 940 ) ÷ 940] x 100 = -65.96%
Formula
Percentage change = [(320 - 940) / 940] x 100
Subtract the new number by the original number
320 - 940 = -620
-620 ÷ 940 = -0.6595744680851063
-0.6595744680851063 x 100 = -65.96%