-1.96% is the change from 920 to 902
Calculation steps:
[( 902 - 920 ) ÷ 920] x 100 = -1.96%
Formula
Percentage change = [(902 - 920) / 920] x 100
Subtract the new number by the original number
902 - 920 = -18
-18 ÷ 920 = -0.01956521739130435
-0.01956521739130435 x 100 = -1.96%