-72.04% is the change from 912 to 255
Calculation steps:
[( 255 - 912 ) ÷ 912] x 100 = -72.04%
Formula
Percentage change = [(255 - 912) / 912] x 100
Subtract the new number by the original number
255 - 912 = -657
-657 ÷ 912 = -0.7203947368421053
-0.7203947368421053 x 100 = -72.04%