-62.93% is the change from 661 to 245
Calculation steps:
[( 245 - 661 ) ÷ 661] x 100 = -62.93%
Formula
Percentage change = [(245 - 661) / 661] x 100
Subtract the new number by the original number
245 - 661 = -416
-416 ÷ 661 = -0.6293494704992436
-0.6293494704992436 x 100 = -62.93%