-55.37% is the change from 977 to 436
Calculation steps:
[( 436 - 977 ) ÷ 977] x 100 = -55.37%
Formula
Percentage change = [(436 - 977) / 977] x 100
Subtract the new number by the original number
436 - 977 = -541
-541 ÷ 977 = -0.5537359263050153
-0.5537359263050153 x 100 = -55.37%