-63.1% is the change from 916 to 338
Calculation steps:
[( 338 - 916 ) ÷ 916] x 100 = -63.1%
Formula
Percentage change = [(338 - 916) / 916] x 100
Subtract the new number by the original number
338 - 916 = -578
-578 ÷ 916 = -0.631004366812227
-0.631004366812227 x 100 = -63.1%