-2.6% is the change from 963 to 938
Calculation steps:
[( 938 - 963 ) ÷ 963] x 100 = -2.6%
Formula
Percentage change = [(938 - 963) / 963] x 100
Subtract the new number by the original number
938 - 963 = -25
-25 ÷ 963 = -0.02596053997923157
-0.02596053997923157 x 100 = -2.6%