-7.96% is the change from 980 to 902
Calculation steps:
[( 902 - 980 ) ÷ 980] x 100 = -7.96%
Formula
Percentage change = [(902 - 980) / 980] x 100
Subtract the new number by the original number
902 - 980 = -78
-78 ÷ 980 = -0.07959183673469387
-0.07959183673469387 x 100 = -7.96%