-66.18% is the change from 754 to 255
Calculation steps:
[( 255 - 754 ) ÷ 754] x 100 = -66.18%
Formula
Percentage change = [(255 - 754) / 754] x 100
Subtract the new number by the original number
255 - 754 = -499
-499 ÷ 754 = -0.6618037135278515
-0.6618037135278515 x 100 = -66.18%