-47.21% is the change from 591 to 312
Calculation steps:
[( 312 - 591 ) ÷ 591] x 100 = -47.21%
Formula
Percentage change = [(312 - 591) / 591] x 100
Subtract the new number by the original number
312 - 591 = -279
-279 ÷ 591 = -0.4720812182741117
-0.4720812182741117 x 100 = -47.21%