170 - (40%) = 102
170% of 40 = 170% * 40 = 1.7 * 40 = 68
(68/170) x 100 = 40%
(5%) - 40 = -39.95
40 - (20%) = 32
48.00 - (40%) = 28.80
540.00 - (40%) = 324.00
128 - 40% = 76.8
532 - 40% = 319.2
7,575 - (40%) = 4,545
85 - (40%) = 51
200 - 15% = 200 - 15% of 200 = 200 - 30 = 170
87.