-85.4% is the change from 945 to 138
Calculation steps:
[( 138 - 945 ) ÷ 945] x 100 = -85.4%
Formula
Percentage change = [(138 - 945) / 945] x 100
Subtract the new number by the original number
138 - 945 = -807
-807 ÷ 945 = -0.8539682539682539
-0.8539682539682539 x 100 = -85.4%