-1.97% is the change from 966 to 947
Calculation steps:
[( 947 - 966 ) ÷ 966] x 100 = -1.97%
Formula
Percentage change = [(947 - 966) / 966] x 100
Subtract the new number by the original number
947 - 966 = -19
-19 ÷ 966 = -0.019668737060041408
-0.019668737060041408 x 100 = -1.97%