-27.05% is the change from 536 to 391
Calculation steps:
[( 391 - 536 ) ÷ 536] x 100 = -27.05%
Formula
Percentage change = [(391 - 536) / 536] x 100
Subtract the new number by the original number
391 - 536 = -145
-145 ÷ 536 = -0.27052238805970147
-0.27052238805970147 x 100 = -27.05%