-29.57% is the change from 940 to 662
Calculation steps:
[( 662 - 940 ) ÷ 940] x 100 = -29.57%
Formula
Percentage change = [(662 - 940) / 940] x 100
Subtract the new number by the original number
662 - 940 = -278
-278 ÷ 940 = -0.2957446808510638
-0.2957446808510638 x 100 = -29.57%