-45.26% is the change from 917 to 502
Calculation steps:
[( 502 - 917 ) ÷ 917] x 100 = -45.26%
Formula
Percentage change = [(502 - 917) / 917] x 100
Subtract the new number by the original number
502 - 917 = -415
-415 ÷ 917 = -0.4525627044711014
-0.4525627044711014 x 100 = -45.26%