-33.26% is the change from 917 to 612
Calculation steps:
[( 612 - 917 ) ÷ 917] x 100 = -33.26%
Formula
Percentage change = [(612 - 917) / 917] x 100
Subtract the new number by the original number
612 - 917 = -305
-305 ÷ 917 = -0.3326063249727372
-0.3326063249727372 x 100 = -33.26%