-4.05% is the change from 987 to 947
Calculation steps:
[( 947 - 987 ) ÷ 987] x 100 = -4.05%
Formula
Percentage change = [(947 - 987) / 987] x 100
Subtract the new number by the original number
947 - 987 = -40
-40 ÷ 987 = -0.040526849037487336
-0.040526849037487336 x 100 = -4.05%