-91.61% is the change from 310 to 26
Calculation steps:
[( 26 - 310 ) ÷ 310] x 100 = -91.61%
Formula
Percentage change = [(26 - 310) / 310] x 100
Subtract the new number by the original number
26 - 310 = -284
-284 ÷ 310 = -0.9161290322580645
-0.9161290322580645 x 100 = -91.61%