-32.8% is the change from 945 to 635
Calculation steps:
[( 635 - 945 ) ÷ 945] x 100 = -32.8%
Formula
Percentage change = [(635 - 945) / 945] x 100
Subtract the new number by the original number
635 - 945 = -310
-310 ÷ 945 = -0.328042328042328
-0.328042328042328 x 100 = -32.8%