-77.78% is the change from 945 to 210
Calculation steps:
[( 210 - 945 ) ÷ 945] x 100 = -77.78%
Formula
Percentage change = [(210 - 945) / 945] x 100
Subtract the new number by the original number
210 - 945 = -735
-735 ÷ 945 = -0.7777777777777778
-0.7777777777777778 x 100 = -77.78%