-53.05% is the change from 311 to 146
Calculation steps:
[( 146 - 311 ) ÷ 311] x 100 = -53.05%
Formula
Percentage change = [(146 - 311) / 311] x 100
Subtract the new number by the original number
146 - 311 = -165
-165 ÷ 311 = -0.5305466237942122
-0.5305466237942122 x 100 = -53.05%