-32.59% is the change from 945 to 637
Calculation steps:
[( 637 - 945 ) ÷ 945] x 100 = -32.59%
Formula
Percentage change = [(637 - 945) / 945] x 100
Subtract the new number by the original number
637 - 945 = -308
-308 ÷ 945 = -0.32592592592592595
-0.32592592592592595 x 100 = -32.59%