-2.19% is the change from 958 to 937
Calculation steps:
[( 937 - 958 ) ÷ 958] x 100 = -2.19%
Formula
Percentage change = [(937 - 958) / 958] x 100
Subtract the new number by the original number
937 - 958 = -21
-21 ÷ 958 = -0.021920668058455117
-0.021920668058455117 x 100 = -2.19%