-3.62% is the change from 636 to 613
Calculation steps:
[( 613 - 636 ) ÷ 636] x 100 = -3.62%
Formula
Percentage change = [(613 - 636) / 636] x 100
Subtract the new number by the original number
613 - 636 = -23
-23 ÷ 636 = -0.036163522012578615
-0.036163522012578615 x 100 = -3.62%