-35.05% is the change from 910 to 591
Calculation steps:
[( 591 - 910 ) ÷ 910] x 100 = -35.05%
Formula
Percentage change = [(591 - 910) / 910] x 100
Subtract the new number by the original number
591 - 910 = -319
-319 ÷ 910 = -0.3505494505494505
-0.3505494505494505 x 100 = -35.05%